CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
CONSOLIDATED BALANCE SHEETS
Accounts receivable, allowances (in dollars)	$ 415	$ 234
Furniture, fixtures and equipment, accumulated depreciation (in dollars)	$ 7,231	$ 6,143
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000	10,000
Preferred stock, shares issued	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	100,000	100,000
Common stock, shares issued	37,977	37,943
Common stock, shares outstanding	37,219	36,762
Treasury stock, shares	758	1,181