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Segment Information (Schedule Of Segment Information) (Details) (USD $)
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3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2012
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Sep. 30, 2011
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Sep. 30, 2012
segment
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Sep. 30, 2011
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Dec. 31, 2011
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Sep. 30, 2012
Suttle [Member]
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Sep. 30, 2011
Suttle [Member]
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Jun. 30, 2011
Suttle [Member]
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Sep. 30, 2012
Suttle [Member]
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Sep. 30, 2011
Suttle [Member]
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Sep. 30, 2012
Transition Networks [Member]
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Sep. 30, 2011
Transition Networks [Member]
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Sep. 30, 2012
Transition Networks [Member]
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Sep. 30, 2011
Transition Networks [Member]
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Sep. 30, 2012
JDL Technologies [Member]
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Sep. 30, 2011
JDL Technologies [Member]
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Sep. 30, 2012
JDL Technologies [Member]
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Sep. 30, 2011
JDL Technologies [Member]
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Sep. 30, 2012
Other [Member]
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Sep. 30, 2011
Other [Member]
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Sep. 30, 2012
Other [Member]
|
Sep. 30, 2011
Other [Member]
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| Segment Reporting Information [Line Items] | ||||||||||||||||||||||
| Number of segments | 3 | |||||||||||||||||||||
| Sales | $ 28,687,687 | $ 41,984,570 | $ 78,492,866 | $ 118,437,057 | $ 12,242,334 | $ 10,538,277 | $ 33,167,194 | $ 30,275,173 | $ 13,647,047 | $ 27,573,925 | $ 40,614,746 | $ 76,507,810 | $ 2,798,306 | $ 3,872,368 | $ 4,710,926 | $ 11,654,074 | ||||||
| Cost of sales | 17,927,814 | 25,429,300 | 47,128,483 | 70,097,713 | 8,915,366 | 8,179,936 | 24,441,885 | 23,152,198 | 6,983,935 | 14,845,981 | 19,340,790 | 40,265,114 | 2,028,513 | 2,403,383 | 3,345,808 | 6,680,401 | ||||||
| Gross profit | 10,759,873 | 16,555,270 | 31,364,383 | 48,339,344 | 3,326,968 | 2,358,341 | 8,725,309 | 7,122,975 | 6,663,112 | 12,727,944 | 21,273,956 | 36,242,696 | 769,793 | 1,468,985 | 1,365,118 | 4,973,673 | ||||||
| Selling, general and administrative expenses | 9,053,164 | 10,071,408 | 28,169,627 | 29,189,378 | 2,318,165 | 2,127,711 | 6,891,833 | 6,170,610 | 5,365,325 | 6,017,085 | 16,557,399 | 17,246,437 | 564,401 | 522,104 | 1,678,516 | 1,523,049 | 805,273 | 1,404,508 | 3,041,879 | 4,249,282 | ||
| Goodwill impairment | 0 | 0 | 0 | 1,271,986 | 1,272,000 | 1,271,986 | ||||||||||||||||
| Operating income | 1,706,709 | 6,483,862 | 3,194,756 | 17,877,980 | 1,008,803 | 230,630 | 1,833,476 | (319,621) | 1,297,787 | 6,710,859 | 4,716,557 | 18,996,259 | 205,392 | 946,881 | (313,398) | 3,450,624 | (805,273) | (1,404,508) | (3,041,879) | (4,249,282) | ||
| Depreciation and amortization | 512,633 | 537,282 | 1,636,887 | 1,571,423 | 216,232 | 257,965 | 699,893 | 743,759 | 198,411 | 184,712 | 638,907 | 526,474 | 25,798 | 23,621 | 80,725 | 80,927 | 72,192 | 70,984 | 217,362 | 220,263 | ||
| Capital expenditures | 834,313 | 666,980 | 2,047,771 | 1,635,893 | 292,674 | 284,337 | 958,262 | 881,726 | 117,695 | 348,129 | 277,340 | 699,235 | 9,545 | 4,572 | 24,236 | 15,947 | 414,399 | 29,942 | 787,933 | 38,985 | ||
| Assets | $ 111,283,628 | $ 116,713,605 | $ 111,283,628 | $ 116,713,605 | $ 116,658,916 | $ 28,126,173 | $ 24,838,494 | $ 28,126,173 | $ 24,838,494 | $ 36,413,632 | $ 38,084,903 | $ 36,413,632 | $ 38,084,903 | $ 2,562,750 | $ 2,616,360 | $ 2,562,750 | $ 2,616,360 | $ 44,181,073 | $ 51,173,848 | $ 44,181,073 | $ 51,173,848 | |