STOCK-BASED COMPENSATION AND WARRANTS - Share Available For Grant (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Shares Available For Grant [Roll Forward]
Available, beginning of year (in shares)	4,037	2,885	2,758
Stock options granted (in shares)	(1,759)	(600)	(718)
RSU's granted (in shares)	(2,105)	(1,846)	(2,995)
Expired options under 2007 plan (in shares)	208	191	626
Forfeited options under Stock Plans (in shares)	249	390	539
Forfeited RSUs under Stock Plans (in shares)	501	317	108
Shares repurchased (in shares)	137	0	0
Newly authorized by Board of Directors (in shares)	3,056	2,700	2,567
Available, end of year (in shares)	4,324	4,037	2,885