INCOME TAXES - Summary of components of our net deferred tax assets and liabilities (Details 2) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Current deferred tax asset (liability):    
Inventories $ 438 $ 180
Accruals 145 58
Federal and state net operating loss carryforwards 2,463 984
Other 318 199
Valuation allowance (622) (400)
Deferred tax assets, net of valuation allowance, current 2,742 1,021
Non-current deferred tax asset    
Intangible assets 621 683
Federal, state and foreign net operating loss carryforwards 1,763 1,792
Tax credit carry forward 1,251 1,372
Difference between book and tax basis of property (111) (65)
Equity-based compensation 1,357 1,019
Valuation allowance (923) (1,250)
Deferred tax assets, net of valuation allowance, noncurrent 3,958 3,551
Net deferred tax assets $ 6,700 $ 4,572