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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Fair Value of Financial Instruments (Details) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2020 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 | 5,319,000 | $ 1,703,000 | $ 5,319,000
Contingent consideration, valuation technique extensible list |  |  | us-gaap:IncomeApproachValuationTechniqueMember
Contingent consideration, measurement input Contingent consideration, measurement input |  |  | us-gaap:MeasurementInputDiscountRateMember
Contingent consideration, measurement input |  |  | 0.0250
Change in the contingent consideration liability |  |  |
Beginning Balance |  | 1,703,000 |
Neuralify contingent consideration accrued | 4,900,000 |  |
Payment of contingent consideration |  | (1,730,000) |
Accretion of contingent consideration | 419,000 | 30,000 |
Unrealized gain (loss) related to currency translation |  | 3,000 |
Ending Balance | 5,319,000 |  |
Outstanding borrowings |  | $ 86,863,000 | $ 78,775,000
Effective interest rate (as a percent) |  | 5.20% | 2.50%
Fair value of outstanding borrowing |  | $ 86,700,000 | $ 77,700,000
Debt instrument, valuation technique, extensible list |  |  | us-gaap:ValuationTechniqueDiscountedCashFlowMember
Debt instrument, measurement input, extensible list |  |  | us-gaap:MeasurementInputDiscountRateMember
Debt instrument, measurement input |  |  | 0.0249
Minimum |  |  |
Change in the contingent consideration liability |  |  |
Debt instrument, measurement input |  |  | 2.39
Maximum |  |  |
Change in the contingent consideration liability |  |  |
Debt instrument, measurement input |  |  | 2.49
Recurring |  |  |
Assets: |  |  |
Cash equivalents |  | 17,000 | $ 17,000
Total |  | 17,000 | 17,000
Liabilities: |  |  |
Contingent consideration | 5,319,000 |  | 5,319,000
Total |  |  | 5,319,000
Change in the contingent consideration liability |  |  |
Ending Balance | 5,319,000 |  |
Recurring | Level1 |  |  |
Assets: |  |  |
Cash equivalents |  | 17,000 | 17,000
Total |  | $ 17,000 | 17,000
Recurring | Level3 |  |  |
Liabilities: |  |  |
Contingent consideration | 5,319,000 |  | 5,319,000
Total |  |  | $ 5,319,000
Change in the contingent consideration liability |  |  |
Ending Balance | $ 5,319,000 |  |

X
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- Definition Amount of increase (decrease) in the value of a contingent consideration liability due to currency translation. + References No definition available. + Details
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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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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109500613&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=119400593&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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