INCOME TAXES (Details 3) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Loss before tax as reported at the consolidated statement of operations	$ 52,781	$ 55,210	$ 13,968
Statutory tax rate	21.00%	21.00%	21.00%	35.00%
Theoretical tax benefit	$ (11,084)	$ (11,594)	$ (2,933)
Non-deductible expenses and other permanent differences	403	269	235
Remeasurement of warrants to fair value	3,160	8,716	1,113
Share-based compensation	3,651	1,081	517
Change in valuation allowance	13,232	3,300	2,636
State taxes, net of federal benefit	(3,700)	0	0
Income tax at rate other than the U.S. statutory tax rate	320	1,786	319
Exchange rate differences	(100)	(113)	(133)
Other	688	108	(150)
Total tax expenses	$ 6,570	$ 3,553	$ 1,604