UNAUDITED CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Current assets:
Accounts receivable, allowances for bad debts and customer credits	$ 872	$ 770
Stockholders' equity:
Preferred stock, par value (in dollars per share)	$ .001
Preferred stock, authorized (in shares)	11,445,187
Preferred stock, outstanding (in shares)	0
Common stock, par value (in dollars per share)	$ .001
Common stock, authorized (in shares)	55,000,000
Common stock, issued (in shares)	10,499,719	8,880,377
Common stock, outstanding (in shares)	10,499,719	8,880,377