| Schedule of Segment Information | 
 
		
			
				| 
					 
						 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
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				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
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				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						 
				 | 
				
					 
						  
				 | 
				
					 
						Transition 
				 | 
				
					 
						  
				 | 
				
					 
						JDL 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						Intersegment 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						 
				 | 
				
					 
						  
				 | 
				
					 
						Networks 
				 | 
				
					 
						  
				 | 
				
					 
						Technologies 
				 | 
				
					 
						  
				 | 
				
					 
						Net2Edge 
				 | 
				
					 
						  
				 | 
				
					 
						Other 
				 | 
				
					 
						  
				 | 
				
					 
						Eliminations 
				 | 
				
					 
						  
				 | 
				
					 
						Total 
				 | 
			 
			
				| 
					 
						Three Months Ended March 31, 2020 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Sales 
				 | 
				
					 
						$ 
				 | 
				8,164,000 
				 | 
				
					 
						$ 
				 | 
				827,000 
				 | 
				
					 
						$ 
				 | 
				424,000 
				 | 
				
					 
						$ 
				 | 
				
					 
						  - 
				 | 
				
					 
						$ 
				 | 
				(252,000)
				 | 
				
					 
						$ 
				 | 
				9,163,000 
				 | 
			 
			
				| 
					 
						Cost of sales 
				 | 
				
					 
						  
				 | 
				4,604,000 
				 | 
				
					 
						  
				 | 
				620,000 
				 | 
				
					 
						  
				 | 
				214,000 
				 | 
				
					 
						  
				 | 
				
					 
						  - 
				 | 
				
					 
						  
				 | 
				(12,000)
				 | 
				
					 
						  
				 | 
				5,426,000 
				 | 
			 
			
				| 
					 
						Gross profit 
				 | 
				
					 
						  
				 | 
				3,560,000 
				 | 
				
					 
						  
				 | 
				207,000 
				 | 
				
					 
						  
				 | 
				210,000 
				 | 
				
					 
						  
				 | 
				
					 
						  - 
				 | 
				
					 
						  
				 | 
				(240,000)
				 | 
				
					 
						  
				 | 
				3,737,000 
				 | 
			 
			
				| 
					 
						Selling, general and 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						  administrative expenses 
				 | 
				
					 
						  
				 | 
				3,344,000 
				 | 
				
					 
						  
				 | 
				328,000 
				 | 
				
					 
						  
				 | 
				593,000 
				 | 
				
					 
						  
				 | 
				936,000 
				 | 
				
					 
						  
				 | 
				(240,000)
				 | 
				
					 
						  
				 | 
				4,961,000 
				 | 
			 
			
				| 
					 
						Operating income (loss) 
				 | 
				
					 
						  
				 | 
				216,000 
				 | 
				
					 
						  
				 | 
				(121,000)
				 | 
				
					 
						  
				 | 
				(383,000)
				 | 
				
					 
						  
				 | 
				(936,000)
				 | 
				
					 
						  
				 | 
				
					 
						  - 
				 | 
				
					 
						  
				 | 
				(1,224,000)
				 | 
			 
			
				| 
					 
						Other income 
				 | 
				
					 
						  
				 | 
				
					 
						  - 
				 | 
				
					 
						  
				 | 
				
					 
						  - 
				 | 
				
					 
						  
				 | 
				14,000 
				 | 
				
					 
						  
				 | 
				397,000 
				 | 
				
					 
						  
				 | 
				
					 
						  - 
				 | 
				
					 
						  
				 | 
				411,000 
				 | 
			 
			
				| 
					 
						Income (loss) before income tax 
				 | 
				
					 
						$ 
				 | 
				216,000 
				 | 
				
					 
						$ 
				 | 
				(121,000)
				 | 
				
					 
						$ 
				 | 
				(369,000)
				 | 
				
					 
						$ 
				 | 
				(539,000)
				 | 
				
					 
						$ 
				 | 
				
					 
						  - 
				 | 
				
					 
						$ 
				 | 
				(813,000)
				 | 
			 
			
				| 
					 
						 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Depreciation and amortization 
				 | 
				
					 
						$ 
				 | 
				54,000 
				 | 
				
					 
						$ 
				 | 
				13,000 
				 | 
				
					 
						$ 
				 | 
				17,000 
				 | 
				
					 
						$ 
				 | 
				127,000 
				 | 
				
					 
						$ 
				 | 
				
					 
						  - 
				 | 
				
					 
						$ 
				 | 
				211,000 
				 | 
			 
			
				| 
					 
						 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Capital expenditures 
				 | 
				
					 
						$ 
				 | 
				41,000 
				 | 
				
					 
						$ 
				 | 
				
					 
						  - 
				 | 
				
					 
						$ 
				 | 
				2,000 
				 | 
				
					 
						$ 
				 | 
				14,000 
				 | 
				
					 
						$ 
				 | 
				
					 
						  - 
				 | 
				
					 
						$ 
				 | 
				57,000 
				 | 
			 
			
				| 
					 
						 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Assets 
				 | 
				
					 
						$ 
				 | 
				13,087,000 
				 | 
				
					 
						$ 
				 | 
				1,394,000 
				 | 
				
					 
						$ 
				 | 
				2,578,000 
				 | 
				
					 
						$ 
				 | 
				39,807,000 
				 | 
				
					 
						$ 
				 | 
				(27,000)
				 | 
				
					 
						$ 
				 | 
				56,839,000 
				 | 
			 
		  
		
			
		 
		
			
		 
		
			
		 
		
			
				| 
					 
						 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						 
				 | 
				
					 
						  
				 | 
				
					 
						Transition 
				 | 
				
					 
						  
				 | 
				
					 
						JDL 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						Intersegment 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						 
				 | 
				
					 
						  
				 | 
				
					 
						Networks 
				 | 
				
					 
						  
				 | 
				
					 
						Technologies 
				 | 
				
					 
						  
				 | 
				
					 
						Net2Edge 
				 | 
				
					 
						  
				 | 
				
					 
						Other 
				 | 
				
					 
						  
				 | 
				
					 
						Eliminations 
				 | 
				
					 
						  
				 | 
				
					 
						Total 
				 | 
			 
			
				| 
					 
						Three Months Ended March 31, 2019 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Sales 
				 | 
				
					 
						$ 
				 | 
				8,890,000 
				 | 
				
					 
						$ 
				 | 
				2,208,000 
				 | 
				
					 
						$ 
				 | 
				448,000 
				 | 
				
					 
						$ 
				 | 
				
					 
						  - 
				 | 
				
					 
						$ 
				 | 
				(330,000)
				 | 
				
					 
						$ 
				 | 
				11,216,000 
				 | 
			 
			
				| 
					 
						Cost of sales 
				 | 
				
					 
						  
				 | 
				5,136,000 
				 | 
				
					 
						  
				 | 
				1,341,000 
				 | 
				
					 
						  
				 | 
				227,000 
				 | 
				
					 
						  
				 | 
				
					 
						  - 
				 | 
				
					 
						  
				 | 
				(114,000)
				 | 
				
					 
						  
				 | 
				6,590,000 
				 | 
			 
			
				| 
					 
						Gross profit 
				 | 
				
					 
						  
				 | 
				3,754,000 
				 | 
				
					 
						  
				 | 
				867,000 
				 | 
				
					 
						  
				 | 
				221,000 
				 | 
				
					 
						  
				 | 
				
					 
						  - 
				 | 
				
					 
						  
				 | 
				(216,000)
				 | 
				
					 
						  
				 | 
				4,626,000 
				 | 
			 
			
				| 
					 
						Selling, general and 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						  administrative expenses 
				 | 
				
					 
						  
				 | 
				3,695,000 
				 | 
				
					 
						  
				 | 
				376,000 
				 | 
				
					 
						  
				 | 
				748,000 
				 | 
				
					 
						  
				 | 
				844,000 
				 | 
				
					 
						  
				 | 
				(216,000)
				 | 
				
					 
						  
				 | 
				5,447,000 
				 | 
			 
			
				| 
					 
						Operating (loss) income 
				 | 
				
					 
						  
				 | 
				59,000 
				 | 
				
					 
						  
				 | 
				491,000 
				 | 
				
					 
						  
				 | 
				(527,000)
				 | 
				
					 
						  
				 | 
				(844,000)
				 | 
				
					 
						  
				 | 
				
					 
						  - 
				 | 
				
					 
						  
				 | 
				(821,000)
				 | 
			 
			
				| 
					 
						Other income (expense) 
				 | 
				
					 
						  
				 | 
				
					 
						  - 
				 | 
				
					 
						  
				 | 
				(10,000)
				 | 
				
					 
						  
				 | 
				(1,000)
				 | 
				
					 
						  
				 | 
				36,000 
				 | 
				
					 
						  
				 | 
				
					 
						  - 
				 | 
				
					 
						  
				 | 
				25,000 
				 | 
			 
			
				| 
					 
						Income (loss) before income tax 
				 | 
				
					 
						$ 
				 | 
				59,000 
				 | 
				
					 
						$ 
				 | 
				481,000 
				 | 
				
					 
						$ 
				 | 
				(528,000)
				 | 
				
					 
						$ 
				 | 
				(808,000)
				 | 
				
					 
						$ 
				 | 
				
					 
						  - 
				 | 
				
					 
						$ 
				 | 
				(796,000)
				 | 
			 
			
				| 
					 
						 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Depreciation and amortization 
				 | 
				
					 
						$ 
				 | 
				79,000 
				 | 
				
					 
						$ 
				 | 
				28,000 
				 | 
				
					 
						$ 
				 | 
				20,000 
				 | 
				
					 
						$ 
				 | 
				152,000 
				 | 
				
					 
						$ 
				 | 
				
					 
						  - 
				 | 
				
					 
						$ 
				 | 
				279,000 
				 | 
			 
			
				| 
					 
						 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Capital expenditures 
				 | 
				
					 
						$ 
				 | 
				
					 
						  - 
				 | 
				
					 
						$ 
				 | 
				36,000 
				 | 
				
					 
						$ 
				 | 
				7,000 
				 | 
				
					 
						$ 
				 | 
				167,000 
				 | 
				
					 
						$ 
				 | 
				
					 
						  - 
				 | 
				
					 
						$ 
				 | 
				210,000 
				 | 
			 
			
				| 
					 
						 
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
				
					 
						  
				 | 
			 
			
				| 
					 
						Assets 
				 | 
				
					 
						$ 
				 | 
				17,668,000 
				 | 
				
					 
						$ 
				 | 
				3,814,000 
				 | 
				
					 
						$ 
				 | 
				2,863,000 
				 | 
				
					 
						$ 
				 | 
				27,873,000 
				 | 
				
					 
						$ 
				 | 
				(27,000)
				 | 
				
					 
						$ 
				 | 
				52,191,000 
				 | 
			 
		  
		
			
		 
		
			 
		 
		
			
		 
		
			
		 
		
			
		 
		
			
		 
		
			
		 
		  
	   
 |