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Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2014
Fair Value Measurements [Abstract] |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] | Changes in the fair value measurement of contingent seller financed promissory note using significant unobservable inputs classified as Level 3 and valuation method used to estimate fair values are set forth below for the years ended:
|  | YEARS ENDED |
|  | DECEMBER 31, |
|  | 2014 |  | 2013 |  | 2012 |
Balance, Beginning of Period |  | $ | - |  | $ | 1,250,000 |  | $ | 2,150,000 |
Total additions for the period: |  |  |  |  |  |  |  |  |  |
Fair value of SCL contingent obligation (see Notes 3 and 9) (1) |  |  | 1,000,000 |  |  | - |  |  | - |
Total gains or losses for the period: |  |  |  |  |  |  |  |  |  |
Non-cash gain on change in fair value of AGS contingent obligation included in general and administrative expense (2) |  |  | - |  |  | (1,250,000) |  |  | (900,000) |
Balance, End of Period |  | $ | 1,000,000 |  | $ | - |  | $ | 1,250,000 |
| (1) | Management determined the fair value of its SCL contingent obligation based on a probability weighted discounted cash flow valuation technique. The potential probability of not paying out contingent consideration is considered remote. Contingent consideration has been classified as short term and included in the caption "current portion of long term debt" on the consolidated balance sheet at December 31, 2014.
| (2) | Management determined the fair value of its AGS contingent obligation based on a probability weighted discounted cash flow valuation technique. The potential probability for payout of contingent consideration is considered remote during the year ended December 31, 2013. On April 15, 2014, the Company formally cancelled the contingent seller financed promissory note.

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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19279-110258 + Details
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