CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)	Jun. 30, 2016	Dec. 31, 2015
Assets
Allowance for Doubtful accounts	$ 16,443	$ 17,200
Stockholders Equity
Preferred stock par value (usd per share)	$ 0.001	$ 0.001
Preferred stock shares authorized (in shares)	500,000	500,000
Preferred stock shares issued (in shares)	0	0
Preferred stock shares outstanding (in shares)	0	0
Common stock, par value (usd per share)	$ 0.001	$ 0.001
Common stock shares authorized (in shares)	40,000,000	40,000,000
Common stock shares issued (in shares)	25,012,798	24,752,408
Common stock shares outstanding (in shares)	24,636,271	24,375,881
Treasury stock (in shares)	376,527	376,527