Quarterly report pursuant to Section 13 or 15(d)

Segment Information (Schedule Of Segment Information) (Details)

v2.4.0.8
Segment Information (Schedule Of Segment Information) (Details) (USD $)
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Segment Reporting Information [Line Items]          
Sales $ 33,208,977 $ 31,936,602 $ 58,407,383 $ 59,389,333  
Cost of sales 21,115,209 20,408,285 37,325,598 38,085,089  
Gross profit 12,093,768 11,528,317 21,081,785 21,304,244  
Selling, general and administrative expenses 9,688,247 8,961,467 18,690,358 18,366,616  
Restructuring expense     237,838    
Operating income (loss) 2,405,521 2,566,850 2,153,589 2,937,628  
Depreciation and amortization 582,650 572,861 1,143,272 1,058,654  
Capital expenditures 1,671,830 827,452 2,495,463 1,306,581  
Assets 103,798,702 110,011,819 103,798,702 110,011,819 103,532,741
Suttle [Member]
          
Segment Reporting Information [Line Items]          
Sales 19,006,243 13,852,329 31,888,574 26,264,517  
Cost of sales 12,731,061 9,990,159 22,123,196 19,086,842  
Gross profit 6,275,182 3,862,170 9,765,378 7,177,675  
Selling, general and administrative expenses 3,358,171 2,726,835 6,495,819 5,355,078  
Operating income (loss) 2,917,011 1,135,335 3,269,559 1,822,597  
Depreciation and amortization 314,797 275,969 607,968 519,322  
Capital expenditures 1,294,590 274,380 1,921,501 438,782  
Assets 38,303,760 27,557,698 38,303,760 27,557,698  
Transition Networks [Member]
          
Segment Reporting Information [Line Items]          
Sales 11,567,320 10,461,771 21,316,701 21,274,892  
Cost of sales 6,181,697 4,786,724 11,224,667 9,879,015  
Gross profit 5,385,623 5,675,047 10,092,034 11,395,877  
Selling, general and administrative expenses 5,609,011 5,571,975 10,788,770 11,616,634  
Restructuring expense     237,838    
Operating income (loss) (223,388) 103,072 (934,574) (220,757)  
Depreciation and amortization 230,704 249,211 461,418 460,165  
Capital expenditures 251,444 369,621 358,857 500,975  
Assets 27,507,378 32,332,555 27,507,378 32,332,555  
JDL Technologies [Member]
          
Segment Reporting Information [Line Items]          
Sales 2,635,414 7,622,502 5,202,108 11,849,924  
Cost of sales 2,202,451 5,631,402 3,977,735 9,119,232  
Gross profit 432,963 1,991,100 1,224,373 2,730,692  
Selling, general and administrative expenses 721,065 662,657 1,405,769 1,394,904  
Operating income (loss) (288,102) 1,328,443 (181,396) 1,335,788  
Depreciation and amortization 37,149 47,681 73,886 79,167  
Capital expenditures 8,260   18,016 15,361  
Assets 3,519,924 18,835,913 3,519,924 18,835,913  
Other [Member]
          
Segment Reporting Information [Line Items]          
Capital expenditures 117,536 183,451 197,089 351,463  
Assets $ 34,467,640 $ 31,285,653 $ 34,467,640 $ 31,285,653