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SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2023 USD ($) financial_institution | Mar. 31, 2022 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Jan. 01, 2020 USD ($)
Product Information [Line Items] |  |  |  |  |
Goodwill, impairment charges | $ 0 | $ 0 |  |  |
Intangible assets, impairment charges | 0 | 0 |  |  |
Advertising costs | 199,000 | $ 149,000 |  |  |
Equity awards liability | 95,000 |  | $ 54,000 |  |
Deferred revenue, current portion | 2,027,000 |  | 906,000 | $ 1,266,000 |
Revenue recognized | 342,000 |  |  |  |
Deferred revenue, long-term portion | 1,000 |  | 1,000 | 8,000 |
Accounts receivable, net of allowance for doubtful accounts | 3,527,000 |  | 2,637,000 |  | $ 2,192,000
Accounts receivable, allowance for doubtful accounts | $ 30,000 |  | 20,000 | $ 3,000 |
Number of financial institutions | financial_institution | 2 |  |  |  |
Three Customers | Revenue from Contract with Customer Benchmark | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent | 39.00% | 53.00% |  |  |
Three Customers | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent | 54.00% |  |  |  |
Customer One | Revenue from Contract with Customer Benchmark | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent | 16.00% | 23.00% |  |  |
Customer One | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent | 28.00% | 33.00% |  |  |
Customer Two | Revenue from Contract with Customer Benchmark | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent | 13.00% | 19.00% |  |  |
Customer Two | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent | 16.00% | 10.00% |  |  |
Customer Three | Revenue from Contract with Customer Benchmark | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent | 10.00% | 11.00% |  |  |
Customer Three | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent | 10.00% | 1.00% |  |  |
Four Customers | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent |  | 63.00% |  |  |
Customer Four | Accounts Receivable | Customer Concentration Risk |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Business concentration risk, percent |  | 19.00% |  |  |
Fair Value, Inputs, Level 1 |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Cash, cash equivalents and short-term investments | $ 10,236,000 |  | 10,100,000 |  |
Fair Value, Inputs, Level 2 |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Equity awards liability | $ 95,000 |  | $ 54,000 |  |
Retirement Savings 401k Plan |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Retirement plan, maximum employee contribution, percent | 35.00% |  |  |  |
Retirement plan, employer matching contribution, percent of match | 50.00% |  |  |  |
Retirement plan, employer matching contribution, percent of employees' gross pay | 6.00% |  |  |  |
Retirement plan, matching contributions | $ 27,000 | $ 29,000 |  |  |
Minimum |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Property and equipment, useful life | 3 years |  |  |  |
Maximum |  |  |  |  |
Product Information [Line Items] |  |  |  |  |
Property and equipment, useful life | 7 years |  |  |  |

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