Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
ASSETS
Allowance for doubtful accounts, net	$ 49	$ 49
Stockholders equity:
Preferred stock, par value	$ 1.00	$ 1.00
Preferred stock, authorized shares	1,000,000	1,000,000
Preferred stock, issued shares	0	0
Preferred stock, outstanding shares	0	0
Common stock, par value	$ .60	$ .60
Common stock, authorized shares	20,000,000	20,000,000
Common stock, issued shares	13,718,396	13,665,087
Common stock, outstanding shares	13,718,396	13,665,087