Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Schedule Of Segment Information) (Details)

v3.4.0.3
Segment Information (Schedule Of Segment Information) (Details) - USD ($)
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Segment Reporting Information [Line Items]      
Sales $ 24,666,444 $ 19,544,936  
Cost of sales 17,897,426 14,657,998  
Gross profit 6,769,000 4,887,000  
Selling, general and administrative expenses 9,637,061 10,578,176  
Pension liability adjustment gains (4,147,836)    
Operating (loss) income 1,279,793 (5,691,238)  
Depreciation and amortization 890,411 780,477  
Capital expenditures 807,000 853,000  
Assets 84,714,020 95,800,000 $ 87,916,230
Intersegment Eliminations [Member]      
Segment Reporting Information [Line Items]      
Sales (334,000) (8,000)  
Cost of sales (93,000) (8,000)  
Gross profit (241,000)    
Selling, general and administrative expenses (225,000)    
Operating (loss) income (16,000)    
Capital expenditures (16,000)    
Assets (22,000)    
Suttle [Member]      
Segment Reporting Information [Line Items]      
Sales 11,789,000 10,590,000  
Cost of sales 9,744,000 9,149,000  
Gross profit 2,045,000 1,441,000  
Selling, general and administrative expenses 3,487,000 4,306,000  
Operating (loss) income (1,442,000) (2,865,000)  
Depreciation and amortization 576,000 507,000  
Capital expenditures 479,000 649,000  
Assets 38,941,000 40,210,000  
Transition Networks [Member]      
Segment Reporting Information [Line Items]      
Sales 8,330,000 7,766,000  
Cost of sales 5,147,000 4,607,000  
Gross profit 3,183,000 3,159,000  
Selling, general and administrative expenses 4,638,000 4,766,000  
Operating (loss) income (1,455,000) (1,607,000)  
Depreciation and amortization 221,000 213,000  
Capital expenditures 85,000 66,000  
Assets 19,617,000 25,065,000  
JDL Technologies [Member]      
Segment Reporting Information [Line Items]      
Sales 4,312,000 865,000  
Cost of sales 2,858,000 824,000  
Gross profit 1,454,000 41,000  
Selling, general and administrative expenses 1,006,000 810,000  
Operating (loss) income 448,000 (769,000)  
Depreciation and amortization 61,000 26,000  
Capital expenditures 75,000 44,000  
Assets 5,649,000 4,367,000  
Net2Edge [Member]      
Segment Reporting Information [Line Items]      
Sales 569,000 332,000  
Cost of sales 241,000 86,000  
Gross profit 328,000 246,000  
Selling, general and administrative expenses 731,000 696,000  
Operating (loss) income (403,000) (450,000)  
Depreciation and amortization 33,000 34,000  
Capital expenditures   20,000  
Assets 2,295,000 1,805,000  
Other [Member]      
Segment Reporting Information [Line Items]      
Pension liability adjustment gains (4,148,000)    
Operating (loss) income 4,148,000    
Capital expenditures 184,000 74,000  
Assets $ 18,234,000 $ 24,353,000