v2.4.0.8
Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Current deferred tax assets:    
Total $ 563 $ 608
Non-current deferred tax assets:    
Total 3,756 4,116
Valuation allowance (4,319) (4,724)
Net deferred tax assets      
Deferred Tax Current [Member]
   
Current deferred tax assets:    
Allowance for bad debts 131 131
Share-based payment expense 152 142
Allowance for obsolete inventory 29 104
Accrued compensation 67 65
Contribution carryover 9 10
Other accruals 175 155
Deferred Tax Non-current [Member]
   
Non-current deferred tax assets:    
Depreciation (4) 30
Capital loss 176 195
APB 23 un-repatriated foreign earnings   (621)
Net operating loss 3,535 4,512
Credit carryover $ 49