CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Statement of Financial Position [Abstract]
Accounts receivable - allowance for doubtful accounts	$ 200,000	$ 200,000
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (shares)	47,500,000	47,500,000
Common stock, issued (shares)	29,302,826	29,202,826
Common stock, outstanding (shares)	29,302,826	29,202,826