Segment Information (Schedule of Segment Information) (Details) - USD ($) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
Sep. 30, 2018 |
Sep. 30, 2017 |
Dec. 31, 2017 |
|
| Segment Reporting Information [Line Items] | |||||
| Sales | $ 15,291,993 | $ 20,412,439 | $ 47,103,837 | $ 63,280,980 | |
| Cost of sales | 10,051,419 | 17,108,532 | 32,699,559 | 48,001,368 | |
| Gross profit | 5,240,574 | 3,303,907 | 14,404,278 | 15,279,612 | |
| Selling, general and administrative expenses | 6,842,348 | 7,161,323 | 20,702,476 | 21,516,625 | |
| Impairment loss | 1,617,389 | ||||
| Restructuring expense | 796,231 | 0 | 2,325,861 | ||
| Operating loss | (1,601,774) | (4,653,647) | (6,298,198) | (10,180,263) | |
| Other income (expense) | 54,905 | 22,292 | 246,020 | (14,975) | |
| Loss from operations before income taxes | (1,546,869) | (4,631,355) | (6,052,178) | (10,195,238) | |
| Depreciation and amortization | 523,000 | 768,000 | 1,695,451 | 2,489,661 | |
| Capital expenditures | 86,000 | 252,000 | 700,000 | 390,000 | |
| Assets | 52,256,280 | 61,261,000 | 52,256,280 | 61,261,000 | $ 58,146,261 |
| Intersegment Eliminations [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Sales | (212,000) | (245,000) | (703,000) | (661,000) | |
| Cost of sales | (2,000) | (52,000) | (51,000) | (74,000) | |
| Gross profit | (210,000) | (193,000) | (652,000) | (587,000) | |
| Selling, general and administrative expenses | (210,000) | (193,000) | (652,000) | (587,000) | |
| Restructuring expense | |||||
| Operating loss | |||||
| Other income (expense) | |||||
| Loss from operations before income taxes | |||||
| Depreciation and amortization | |||||
| Capital expenditures | |||||
| Assets | (27,000) | (27,000) | (27,000) | (27,000) | |
| Suttle [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Sales | 5,009,000 | 7,536,000 | 17,855,000 | 24,888,000 | |
| Cost of sales | 4,093,000 | 8,967,000 | 15,105,000 | 24,447,000 | |
| Gross profit | 916,000 | (1,431,000) | 2,750,000 | 441,000 | |
| Selling, general and administrative expenses | 2,053,000 | 2,239,000 | 6,463,000 | 6,775,000 | |
| Restructuring expense | 796,000 | 2,326,000 | |||
| Operating loss | (1,137,000) | (4,466,000) | (3,713,000) | (8,660,000) | |
| Other income (expense) | (5,000) | 15,000 | (80,000) | ||
| Loss from operations before income taxes | (1,142,000) | (4,466,000) | (3,698,000) | (8,740,000) | |
| Depreciation and amortization | 374,000 | 525,000 | 1,173,000 | 1,695,000 | |
| Capital expenditures | 48,000 | 52,000 | 508,000 | 100,000 | |
| Assets | 13,277,000 | 21,389,000 | 13,277,000 | 21,389,000 | |
| Transition Networks [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Sales | 9,231,000 | 9,327,000 | 26,219,000 | 27,831,000 | |
| Cost of sales | 4,883,000 | 5,342,000 | 14,436,000 | 15,667,000 | |
| Gross profit | 4,348,000 | 3,985,000 | 11,783,000 | 12,164,000 | |
| Selling, general and administrative expenses | 3,745,000 | 3,809,000 | 10,948,000 | 11,481,000 | |
| Impairment loss | |||||
| Restructuring expense | |||||
| Operating loss | 603,000 | 176,000 | 835,000 | 683,000 | |
| Other income (expense) | (1,000) | 17,000 | 3,000 | 10,000 | |
| Loss from operations before income taxes | 602,000 | 193,000 | 838,000 | 693,000 | |
| Depreciation and amortization | 96,000 | 158,000 | 337,000 | 518,000 | |
| Capital expenditures | 31,000 | 174,000 | 69,000 | 199,000 | |
| Assets | 17,644,000 | 12,593,000 | 17,644,000 | 12,593,000 | |
| JDL Technologies [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Sales | 859,000 | 3,613,000 | 2,482,000 | 10,504,000 | |
| Cost of sales | 712,000 | 2,730,000 | 2,281,000 | 7,699,000 | |
| Gross profit | 147,000 | 883,000 | 201,000 | 2,805,000 | |
| Selling, general and administrative expenses | 446,000 | 471,000 | 1,410,000 | 1,604,000 | |
| Impairment loss | 1,463,000 | ||||
| Restructuring expense | |||||
| Operating loss | (299,000) | 412,000 | (1,209,000) | (262,000) | |
| Other income (expense) | 3,000 | ||||
| Loss from operations before income taxes | (299,000) | 412,000 | (1,206,000) | (262,000) | |
| Depreciation and amortization | 40,000 | 76,000 | 144,000 | 230,000 | |
| Capital expenditures | 5,000 | ||||
| Assets | 1,177,000 | 4,809,000 | 1,177,000 | 4,809,000 | |
| Net2Edge [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Sales | 405,000 | 182,000 | 1,251,000 | 719,000 | |
| Cost of sales | 365,000 | 122,000 | 929,000 | 262,000 | |
| Gross profit | 40,000 | 60,000 | 322,000 | 457,000 | |
| Selling, general and administrative expenses | 809,000 | 836,000 | 2,533,000 | 2,244,000 | |
| Impairment loss | 154,000 | ||||
| Restructuring expense | |||||
| Operating loss | (769,000) | (776,000) | (2,211,000) | (1,941,000) | |
| Other income (expense) | 19,000 | 1,000 | 31,000 | 34,000 | |
| Loss from operations before income taxes | (750,000) | (775,000) | (2,180,000) | (1,907,000) | |
| Depreciation and amortization | 13,000 | 9,000 | 41,000 | 47,000 | |
| Capital expenditures | (7,000) | 3,000 | 109,000 | 63,000 | |
| Assets | 2,421,000 | 1,258,000 | 2,421,000 | 1,258,000 | |
| Other [Member] | |||||
| Segment Reporting Information [Line Items] | |||||
| Sales | |||||
| Cost of sales | |||||
| Gross profit | |||||
| Selling, general and administrative expenses | |||||
| Impairment loss | |||||
| Restructuring expense | |||||
| Operating loss | |||||
| Other income (expense) | 42,000 | 5,000 | 194,000 | 21,000 | |
| Loss from operations before income taxes | 42,000 | 5,000 | 194,000 | 21,000 | |
| Depreciation and amortization | |||||
| Capital expenditures | 14,000 | 23,000 | 14,000 | 23,000 | |
| Assets | $ 17,764,000 | $ 21,239,000 | $ 17,764,000 | $ 21,239,000 | |