Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)	Mar. 31, 2017	Dec. 31, 2016
Allowance for accounts receivable (in dollars)	$ 26,400	$ 26,700
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized	3,000,000	3,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares, issued	2,110,013	2,110,013
Common stock, shares, outstanding	1,845,160	1,845,160