Condensed Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Net sales	$ 3,528,691	$ 4,071,478
Cost of goods sold	2,519,572	2,709,059
GROSS PROFIT	1,009,119	1,362,419
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	1,381,965	1,348,983
RESEARCH AND DEVELOPMENT EXPENSES	178,842	154,076
LOSS FROM OPERATIONS	(551,688)	(140,640)
INTEREST EXPENSE	(22,275)	(19,935)
OTHER	16,194	9,421
LOSS BEFORE INCOME TAXES	(557,769)	(151,154)
INCOME TAX BENEFIT	(102,738)	(20,416)
NET LOSS	$ (455,031)	$ (130,738)
LOSS PER COMMON SHARE:
Basic (in dollars per share)	$ (0.23)	$ (0.07)
Diluted (in dollars per share)	$ (0.23)	$ (0.07)
WEIGHTED AVERAGE COMMON SHARES OUTSTANDING
Basic (in shares)	1,983,553	1,983,553
Diluted (in shares)	1,983,553	1,983,553