Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current assets
Allowance for doubtful accounts and discounts & allowances	$ 1,700	$ 1,800
Stockholders' equity
Common stock, par value	$ 0.00	$ 0.00
Common stock, shares authorized	40,000	40,000
Common stock, shares issued	17,274	17,274
Common stock, shares outstanding	16,141	16,210