ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Payables and Accruals [Abstract]
Accrued payroll	$ 726	$ 694
Accrued bonuses	0	1,306
Accrued commissions	531	877
Accrued product warranties	439	452
Accrued insurance	626	1,170
Accrued professional fees	1,043	1,383
Joint and several payroll liability	1,045	1,045
Uncertain tax positions	1,573	1,491
Other accrued expenses and current liabilities	928	978
Total accrued expenses and other current liabilities	$ 6,911	$ 9,396