BUSINESS COMBINATION - Schedule of allocation of fair value of assets and liabilities acquired (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022	Mar. 10, 2023	Mar. 10, 2022	Dec. 31, 2021
BUSINESS COMBINATION
Goodwill	$ 5,617,000	$ 5,525,000			$ 0
V C N
BUSINESS COMBINATION
Cash and cash equivalents				$ 837,000
Receivables				1,889,000
Property and equipment				216,000
In-process research and development intangible asset				19,742,000
Goodwill				5,696,000
Deferred tax assets (liabilities), net				(3,209,000)
Accounts payable				(522,000)
Accrued expenses				(113,000)
Accrued employee benefits				(90,000)
Loan Payable-current				(67,000)
Other long-term liabilities				(1,570,000)
Total purchase consideration				$ 22,809,000
Indefinite-lived in-process research and development intangible asset			$ 19,700,000
Net loss of V C N Operations	$ 7,800,000
Measurement period adjustment related to the estimate of acquired liabilities		277,000
increase in other receivables		176,000
In-process R&D measurement period adjustment		810,000
In-process R&D deferred tax liabilities		202,000
In-process R&D decrease in goodwill		607,000
Cumulative impact of decrease in goodwill		$ 1,061,000