Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Current Assets:
Allowance for accounts receivable	$ 37	$ 27
Accumulated depreciation	$ 915	$ 907
Stockholders' Equity:
Common stock, par value	$ 0	$ 0
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	41,317,394	41,314,894
Common stock, shares outstanding	41,317,394	41,314,894