CONDENSED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Sales, net	$ 7,672,801	$ 6,923,680
Cost of sales
Total cost of sales	4,813,205	4,598,757
Gross profit	2,859,596	2,324,923
Operating expenses
Sales and marketing	1,165,461	1,027,711
Research and development	144,227	148,449
General and administrative	1,706,881	2,300,867
Total operating expenses	3,016,569	3,477,027
Loss from operations	(156,973)	(1,152,104)
Interest and other income	28,151	10,505
Interest expense, net	(50,392)	(48,063)
Loss before income taxes	(179,214)	(1,189,662)
Provision for income taxes	70	283
Net (loss)	(179,284)	(1,189,945)
Preferred stock dividend requirements	(176,249)	(176,249)
Loss applicable to common shareholders	$ (355,533)	$ (1,366,194)
Basic loss per share (in dollars per share)	$ (0.01)	$ (0.04)
Diluted loss per share (in dollars per share)	$ (0.01)	$ (0.04)
Weighted average common shares outstanding:
Basic (in shares)	32,666,454	31,333,121
Diluted (in shares)	32,666,454	31,333,121
Cost of manufactured product
Cost of sales
Total cost of sales	$ 4,181,010	$ 4,010,913
Royalty expense to shareholder
Cost of sales
Total cost of sales	$ 632,195	$ 587,844