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SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2020
Product Information [Line Items]
Goodwill, impairment charges	$ 0	$ 0	$ 0	$ 0
Intangible assets, impairment charges	0	0	0	0
Advertising costs	155,000	245,000	$ 545,000	486,000
Retirement plan, maximum employee contribution, percent			35.00%
Retirement plan, matching contributions	30,000	$ 29,000	$ 90,000	$ 73,000
Equity awards liability	100,000		100,000		$ 378,000
Deferred revenue, current portion	1,730,000		1,730,000		1,266,000	$ 403,000
Revenue recognized	102,000		1,226,000
Deferred revenue, long-term portion	2,000		2,000		8,000	$ 9,000
Accounts receivable, net of allowance for doubtful accounts	2,635,000		2,635,000		2,192,000		$ 1,633,000
Accounts receivable, allowance for doubtful accounts	$ 9,000		$ 9,000		3,000		$ 42,000
Three Customers | Revenue from Contract with Customer Benchmark | Customer Concentration Risk
Product Information [Line Items]
Business concentration risk, percent	51.00%		52.00%
Three Customers | Accounts Receivable | Customer Concentration Risk
Product Information [Line Items]
Business concentration risk, percent			70.00%
Two Customers | Revenue from Contract with Customer Benchmark | Customer Concentration Risk
Product Information [Line Items]
Business concentration risk, percent	60.00%		58.00%
Fair Value, Inputs, Level 2
Product Information [Line Items]
Equity awards liability	$ 100,000		$ 100,000		$ 378,000
Retirement Savings 401k Plan
Product Information [Line Items]
Retirement plan, employer matching contribution, percent of eligible employee's deferral election			50.00%
Retirement plan, percent of eligible employee's deferral election used for employer matching contribution			6.00%
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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