PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid expenses and other advances	$ 6,904	$ 4,272
Software licenses	2,547	1,492
Insurance	1,271	852
Inventory purchase advances	23	2,206
Cloud computing subscription & implementation costs	4,841	1,986
Tenant facility lease allowances	0	789
Deferred IPO costs	0	446
Other current assets	983	3,177
Total prepaid expenses and other current assets	$ 16,569	$ 15,220