CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
CONDENSED CONSOLIDATED BALANCE SHEETS [Abstract]
Accounts receivable, net of reserves	$ 15,126	$ 14,139
Inventories, net of reserves	$ 28,768	$ 28,225
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	220,000,000	220,000,000
Common stock, shares issued	113,140,000	113,115,000
Treasury stock, at cost, shares	1,159,000	892,000