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DISCONTINUED OPERATIONS (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2015
USD ($)
Jun. 30, 2016
USD ($)
item
Dec. 31, 2015
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
DISCONTINUED OPERATIONS          
Net assets, sold $ 5,406   $ 5,406   $ 5,406
Loss before provision (benefit) for income taxes (2,096)        
Number of warranty claims | item   2      
Additional warranty expense   $ 427      
Impairment to inventory       $ 216  
Results of operations, which are reflected as discontinued operations          
Impairment of held for sale assets and liabilities and loss on sale of assets     (186)    
Loss from discontinued operations before benefit for income taxes       (1,016) (9,561)
Discontinued Operations, Held-for-sale          
Assets:          
Accounts receivable, net 2,119   2,119 172 2,119
Inventories, net 2,118   2,118 807 2,118
Prepaid expenses and other current assets 606   606 55 606
Assets Held For Sale Related To Discontinued Operations 4,843   4,843 1,034 4,843
Impairment of discontinued assets held for sale (1,500)   (1,500) (579) (1,500)
Total Assets Held For Sale Related To Discontinued Operations 3,343   3,343 455 3,343
Liabilities:          
Accounts payable 367   367 22 367
Accrued liabilities 433   433 121 433
Customer deposits and other current obligations 49   49 3 49
Other long-term liabilities 17   17 3 17
Total Liabilities Held For Sale Related To Discontinued Operations $ 866   $ 866 149 866
Service Segment          
Results of operations, which are reflected as discontinued operations          
Revenues       109 10,486
Cost of sales       (1,006) (14,395)
Selling, general and administrative       (69) (2,153)
Interest expense, net       (5) (36)
Other income and expense items         133
Impairment of held for sale assets and liabilities and loss on sale of assets       (45) (3,596)
Loss from discontinued operations before benefit for income taxes       $ (1,016) $ (9,561)