CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
ASSETS
Accounts receivable, allowance for doubtful accounts	$ 261	$ 213
Shareholders' equity:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	99,000,000	99,000,000
Common stock, shares issued (in shares)	2,773,972	2,773,972
Common stock, shares outstanding (in shares)	2,682,078	2,676,077
Treasury stock, shares (in shares)	91,894	97,895