TAXATION (Schedule of Components of Deferred Tax Assets and Liablities) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Deferred tax assets    
Provision for doubtful accounts and slow-moving inventories $ 3,006 $ 1,364
Accrued expenses, payroll and others 1,065 1,053
Difference in tax basis from ViSS acquisition 515 695
Difference in research and development expenses capitalization    3,229
Operating loss carry-forwards 768 3,660
Others 519 1,599
Total deferred tax assets 5,873 11,600
Valuation allowance (4,156) (11,600)
Deferred tax assets, net of valuation allowance 1,717   
Deferred tax liabilities    
Differences in tax basis for property equipment and software, non-current 5 14
Total deferred tax liabilities 5 14
Classification on the consolidated balance sheets    
Deferred tax assets, current 1,014   
Deferred tax assets, non-current 703   
Deferred tax liabilities - non-current $ 5 $ 14