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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Product Information [Line Items] |  |  |  |  |
Proceeds from sale of investment |  |  | $ 1,800 |  |
Loss on sale of investment |  |  | 515 |  |
Stock-based compensation | $ 300 | $ 488 | 1,279 | $ 1,243 |
Unrecognized stock-based compensation expense | $ 5,952 |  | $ 5,952 |  |
Weighted-average remaining vesting period |  |  | 2 years 2 months 12 days |  |
Effective tax rate | 0.00% | 0.00% | 1.00% | 4.00% |
Restricted Stock Units (RSUs) [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Option Forfeited |  |  | 450 |  |
Option Forfeited |  |  | $ 450 |  |
Weighted Average Grant |  |  | $ 473,000 |  |
Weighted average grant-date fair value |  |  | 5.86 |  |
R S As [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Weighted Average Grant |  |  | 324,401 |  |
Weighted average grant-date fair value |  |  | 5.56 |  |
Non Qualified Stock Options [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Weighted Average Grant |  |  | 393,750 |  |
Weighted average grant-date fair value |  |  | $ 1.79 |  |
Measurement Input, Risk Free Interest Rate [Member] | Black Scholes Method [Member] | Restricted Stock Units [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Assumptions used for derivatives |  |  | 1.38 percent |  |
Measurement Input, Expected Term [Member] | Black Scholes Method [Member] | Restricted Stock Units [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Assumptions used for derivatives |  |  | 3.00 years |  |
Measurement Input, Price Volatility [Member] | Black Scholes Method [Member] | Restricted Stock Units [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Assumptions used for derivatives |  |  | 38 percent |  |
Measurement Input, Expected Dividend Rate [Member] | Black Scholes Method [Member] | Restricted Stock Units [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Assumptions used for derivatives |  |  | 0 percent |  |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | One Licensee [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Concentration risk percentage | 32.00% | 98.00% | 50.00% |  |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Licensee [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Concentration risk percentage | 25.00% |  | 19.00% | 9.00% |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Three Licensee [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Concentration risk percentage | 22.00% |  | 12.00% |  |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | One Licensee 2 [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Concentration risk percentage | 13.00% |  |  |  |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | One Licensee 3 [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Concentration risk percentage |  |  |  | 75.00% |
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Foreign Licensee [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Concentration risk percentage | 8.00% | 0.10% | 15.00% | 5.00% |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | One Licensee [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Concentration risk percentage |  |  | 100.00% |  | 62.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Two Licensee [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Concentration risk percentage |  |  | 100.00% |  |
Accounts Receivable [Member] | Customer Concentration Risk [Member] | One Licensee 2 [Member] |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Concentration risk percentage |  |  |  |  | 21.00%

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- Definition The difference between the carrying value and the sale price of an investment. A loss would be recognized when the sale price of the investment is less than the carrying value of the investment. This element refers to the Loss included in earnings and not to the cash proceeds of the sale. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(9)(a)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(3)(a)) -URI http://asc.fasb.org/extlink&oid=120400993&loc=SL114874131-224263 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(13)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(b)(7)(c)) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 + Details
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