CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
ASSETS
Accumulated depreciation	$ (4,737)	$ (4,584)
Stockholders' equity:
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	2,000,000	2,000,000
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	$ 0
Common stock, shares authorized (in shares)	60,000,000	60,000,000
Common stock, shares issued (in shares)	22,220,324	21,838,963
Common stock, shares outstanding (in shares)	20,621,413	20,240,052
Treasury stock (in shares)	1,598,911	1,598,911