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INCOME TAXES (Additional Information) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Difference in income tax provision from amount computed by applying U.S. federal income tax rate to loss before income taxes
U.S. federal income tax provision (benefit) at statutory rate									$ (7,109,000)	$ 25,833,000	$ 20,263,000
State income tax expense, net of federal benefit									(1,170,000)	5,734,000	3,224,000
Global intangible low-tax income									919,000	143,000	229,000
Non-deductible executive compensation									905,000	1,908,000	147,000
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount									(67,000)	(33,000)	(34,000)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount									0	0	(1,022,000)
Effective Income Tax Rate Reconciliation, Tax Credit, Research, Amount									(2,956,000)	(1,419,000)	(1,266,000)
Stock based compensation expense									219,000	(3,851,000)	1,839,000
Change in valuation allowance									10,643,000	(77,090,000)	(22,017,000)
Provision (benefit) for income taxes	$ (584,000)	$ (2,653,000)	$ 2,529,000	$ 2,092,000	$ (1,447,000)	$ (1,795,000)	$ (45,726,000)	$ 193,000	1,384,000	(48,775,000)	1,363,000
Deferred tax assets:
Net operating loss carryforwards	20,711,000				35,247,000				20,711,000	35,247,000
Research and development tax credits	20,549,000				19,551,000				20,549,000	19,551,000
Basis difference in equity securities	15,302,000				6,092,000				15,302,000	6,092,000
Capitalized software development	12,604,000				0				12,604,000	0
Unearned revenue	5,694,000				5,431,000				5,694,000	5,431,000
Accrued expenses	4,259,000				5,750,000				4,259,000	5,750,000
Reserves and other	2,592,000				2,835,000				2,592,000	2,835,000
Operating lease liabilities	1,844,000				3,128,000				1,844,000	3,128,000
Other tax credits and carryforwards	288,000				207,000				288,000	207,000
Intangible assets	208,000				135,000				208,000	135,000
Gross deferred tax assets	84,051,000				78,376,000				84,051,000	78,376,000
Valuation allowance	(21,459,000)				(11,384,000)				(21,459,000)	(11,384,000)
Total deferred tax assets	62,592,000				66,992,000				62,592,000	66,992,000
Deferred tax liabilities:
Basis difference in equity securities	(15,072,000)				(20,831,000)				(15,072,000)	(20,831,000)
Operating lease right-of-use assets	1,702,000				3,077,000				1,702,000	3,077,000
Fixed assets	3,730,000				2,264,000				3,730,000	2,264,000
Prepaid expenses	(649,000)				(785,000)				(649,000)	(785,000)
Total deferred tax liabilities	(21,153,000)				(26,957,000)				(21,153,000)	(26,957,000)
Total deferred tax assets (liabilities), net	41,439,000				40,035,000				41,439,000	40,035,000
Unrecognized tax benefits that would impact effective tax rate	13,500,000				12,000,000				13,500,000	12,000,000	$ 9,600,000
Interest and penalties accrued on tax contingencies	1,100,000				$ 753,000				1,100,000	$ 753,000
Indefinitely reinvested foreign earnings	7,100,000								7,100,000
Federal
Deferred tax liabilities:
Net operating loss carryforwards	73,600,000								73,600,000
Internal Revenue Service (IRS)
Deferred tax assets:
Research and development tax credits	23,200,000								23,200,000
State and local jurisdictions
Deferred tax assets:
Research and development tax credits	9,800,000								9,800,000
Deferred tax liabilities:
Net operating loss carryforwards	37,400,000								37,400,000
State and local jurisdictions | Tax Year 2026 - 2039
Deferred tax liabilities:
Net operating loss carryforwards	$ 68,900,000								$ 68,900,000

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