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DEBT (Narrative) (Details) - USD ($) |  |  | 3 Months Ended | 12 Months Ended |  |  |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 10, 2015 | Dec. 31, 2014 | Mar. 31, 2016 | Dec. 31, 2015 | Mar. 01, 2015 | Dec. 31, 2014 | Sep. 04, 2015 | Apr. 01, 2015 | Mar. 31, 2015 | Jan. 20, 2015 | Oct. 22, 2014 | Oct. 21, 2014 | Aug. 02, 2013 | Mar. 13, 2013
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial prepayment of portion of the loan balance |  |  |  |  |  |  |  |  | $ 148,000 |  |  |  |  |
Promissory note converted |  |  |  | $ 1,012,000 |  | $ 0 |  |  |  |  |  |  |  |
Line of Credit | Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, current borrowing capacity |  |  |  |  |  |  | $ 2,300,000 |  |  |  | $ 3,000,000 | $ 4,000,000 |  |
Repayments of Long-term Lines of Credit | $ 700,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  |  |  |  |  |  |  |  |  |  | 6.25% | 4.25%
Line of Credit | Revolving Credit Facility | Third Security LLC And Affiliates |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of credit facility, current borrowing capacity |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,000,000
Term Loan |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capitalized interest costs |  |  |  |  | $ 400,000 |  |  |  |  |  |  |  |  |
Initial prepayment of portion of the loan balance |  |  |  |  |  |  |  | $ 148,000 |  |  |  |  |  |
Term Loan | Third Security LLC And Affiliates |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,000,000
Convertible Promissory Note |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  | $ 750,000 |  | $ 750,000 |  | $ 750,000 |  |  |  |  |  |  |  |
Debt instrument, interest rate, stated percentage |  |  |  | 6.00% |  |  |  |  |  |  |  |  |  |
Debt conversion, shares issued |  |  |  | 502,786 |  |  |  |  |  |  |  |  |  |
Convertible Promissory Note | Subsequent Event |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Promissory note converted |  |  | $ 200,000 |  |  |  |  |  |  |  |  |  |  |
Convertible Promissory Note | Issuance Date |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of debt that can be converted into shares of common stock |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |
Threshold consecutive trading days |  | 20 days |  |  |  |  |  |  |  |  |  |  |  |
Conversion price (in usd per share) |  |  |  | $ 2.20 |  |  |  |  |  |  |  |  |  |
Convertible Promissory Note | February 15, 2015 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold consecutive trading days |  | 15 days |  |  |  |  |  |  |  |  |  |  |  |
Conversion price, percentage of average closing price of common stock on the market |  | 85.00% |  |  |  |  |  |  |  |  |  |  |  |
Additional Note Private Placement | Convertible Promissory Note |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  |  |  | $ 925,000 |  |  |  |
Promissory note converted |  |  |  | $ 400,000 |  |  |  |  |  |  |  |  |  |
Debt conversion, shares issued |  |  |  | 281,023 |  |  |  |  |  |  |  |  |  |

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- Definition The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 + Details
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