CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands, None in scaling factor is -9223372036854775296	Jun. 30, 2015	Dec. 31, 2014
CURRENT ASSETS:
Trade receivables, allowances	$ 1,169	$ 893
STOCKHOLDERS’ EQUITY:
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Common stock, par value
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	44,117,000	43,614,000
Other
OTHER ASSETS:
Intangibles, accumulated amortization	$ 24,493	$ 22,480
Developed technology
OTHER ASSETS:
Intangibles, accumulated amortization	$ 33,156	$ 27,982