INVENTORY IMPAIRMENT AND OTHER NON-RECURRING CHARGES (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2016	Dec. 31, 2015
Activity for the Company's cost reduction plan obligations
Balance of accrued costs at the end of the period	$ 881
Charges	0
Payments	(142)
Balance of accrued costs at the end of the period	739
Additional disclosures
Accrued severance and facilities-related costs, Current		$ 388	$ 503
Restructuring accrual anticipated to be paid out
2016 (remaining nine months)		362
2017		350
2018		11
2019		16
Total	881	739	881
Other Current Liabilities [Member]
Additional disclosures
Accrued severance and facilities-related costs, Current		300
Other Noncurrent Liabilities [Member]
Additional disclosures
Accrued severance and facilities-related costs, Non-current		400
Employee severance costs
Activity for the Company's cost reduction plan obligations
Balance of accrued costs at the end of the period	410
Charges	0
Payments	(116)
Balance of accrued costs at the end of the period	294
Restructuring accrual anticipated to be paid out
Total	410	294	410
Facilities-related costs
Activity for the Company's cost reduction plan obligations
Balance of accrued costs at the end of the period	471
Charges	0
Payments	(26)
Balance of accrued costs at the end of the period	445
Restructuring accrual anticipated to be paid out
Total	$ 471	$ 445	$ 471