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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair Value of Financial Instruments (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2018 USD ($)
Fair Value of Financial Instruments |  |  |
Transfers of financial assets between Level 1 and Level 2 | $ 0 |  |
Transfers of financial assets between Level 2 and Level 1 | 0 |  |
Transfers of financial assets into Level 3 | 0 |  |
Transfers of financial assets out of Level 3 | 0 |  |
Liabilities: |  |  |
Contingent consideration | 1,703,000 | $ 1,703,000 | $ 1,703,000
Change in the contingent consideration liability |  |  |
Beginning Balance | 1,703,000 | 3,698,000 |
Payment of contingent consideration | (1,730,000) | (2,401,000) |
Change in value of contingent consideration |  | 356,000 |
Accretion of contingent consideration | 30,000 | 52,000 |
Unrealized (loss) gain related to currency translation | (3,000) | (2,000) |
Ending Balance |  | 1,703,000 |
Outstanding borrowings | 86,863,000 |  | 99,113,000
Fair value of outstanding borrowing | $ 86,700,000 |  | 98,900,000
Debt instrument, valuation technique, extensible list | us-gaap:ValuationTechniqueDiscountedCashFlowMember |  |
Debt instrument, measurement input, extensible list | us-gaap:MeasurementInputDiscountRateMember |  |
Minimum |  |  |
Liabilities: |  |  |
Contingent consideration, measurement input | 0.145 |  |
Change in the contingent consideration liability |  |  |
Debt instrument, measurement input | 0.050 |  |
Maximum |  |  |
Liabilities: |  |  |
Contingent consideration, measurement input | 0.285 |  |
Change in the contingent consideration liability |  |  |
Debt instrument, measurement input | 0.052 |  |
Level3 |  |  |
Liabilities: |  |  |
Contingent consideration, valuation technique extensible list | us-gaap:IncomeApproachValuationTechniqueMember |  |
Contingent consideration, measurement input Contingent consideration, measurement input | us-gaap:MeasurementInputDiscountRateMember |  |
Recurring |  |  |
Assets: |  |  |
Cash equivalents | $ 17,000 |  | 315,000
Total | 17,000 |  | 315,000
Liabilities: |  |  |
Contingent consideration | 1,703,000 | 1,703,000 | 1,703,000
Total |  |  | 1,703,000
Change in the contingent consideration liability |  |  |
Beginning Balance | 1,703,000 |  |
Ending Balance |  | 1,703,000 |
Recurring | Level1 |  |  |
Assets: |  |  |
Cash equivalents | 17,000 |  | 315,000
Total | 17,000 |  | 315,000
Recurring | Level3 |  |  |
Liabilities: |  |  |
Contingent consideration | 1,703,000 | 1,703,000 | 1,703,000
Total |  |  | $ 1,703,000
Change in the contingent consideration liability |  |  |
Beginning Balance | $ 1,703,000 |  |
Ending Balance |  | $ 1,703,000 |

X
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References No definition available. + Details
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