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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables) | 9 Months Ended
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Sep. 30, 2021
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES |
Schedule of Accounts receivable | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In thousands) | ​ | ​ | September 30, | ​ | December 31,
​ |  |  | 2021 |  | 2020
Accounts receivable | ​ | ​ | $ | 4,796 | ​ | $ | 5,080
Accounts receivable allowance | ​ | ​ |  | (252) | ​ |  | (176)
​ | ​ | ​ | $ | 4,544 | ​ | $ | 4,904
Schedule of Deferred revenues | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(In thousands) | ​ | ​ | ​ | September 30, | ​ | December 31,
​ |  | Balance Sheet Location | ​ | 2021 |  | 2020
Deferred revenue, current | ​ | Other accrued liabilities | ​ | $ | 1,222 | ​ | $ | 1,372
Deferred revenue, net of current portion | ​ | Contract liabilities, net of current portion | ​ | ​ | 4,948 | ​ | ​ | 5,398
​ | ​ | ​ | ​ | $ | 6,170 | ​ | $ | 6,770

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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