Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Trade accounts receivable, allowance	$ 240,505	$ 253,871
Inventory allowance	417,683	394,165
Notes payable, current portion due	82,792	80,746
Contingent consideration	$ 60,000	$ 0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	325,000,000	325,000,000
Common stock, shares issued	20,793,207	20,747,740
Common stock, shares outstanding	20,793,207	20,747,740