CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Accounts receivable, allowance	$ 1,466	$ 1,143
Accumulated depreciation	$ 17,979	$ 13,887
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, authorized shares	5,000,000	5,000,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, authorized shares	50,000,000	50,000,000
Common Stock, Shares, Issued	15,676,819	15,428,351
Common stock, outstanding shares	13,035,501	12,809,764
Treasury Stock, Shares	2,641,318	2,618,587