ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Accrued payroll	$ 497	$ 694
Accrued bonuses	0	1,306
Accrued commissions	620	877
Accrued product warranties	471	452
Accrued insurance	632	1,170
Accrued professional fees	744	1,383
Joint and several payroll liability	1,045	1,045
Uncertain tax positions	1,616	1,491
Other accrued expenses and current liabilities	963	978
Total accrued expenses and other current liabilities	$ 6,588	$ 9,396