ACCRUED EXPENSES (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Summary of accrued expenses [Abstract]
Accrued asset purchases	$ 238	$ 341
Accrued compensation	1,685	1,533
Accrued royalties	55	75
Accrued sales and other taxes	260	1,446
Other accrued operating expenses	785	675
Customer deposits and sales returns	153	137
Accrued travel expenses related to corporate events	1,156	255
Accrued shipping and handling costs	691	290
Rent expense	211	219
Accrued legal and accounting fees	537	634
Total	$ 5,771	$ 5,605