CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Income Statement [Abstract]
Net sales	$ 29,417,990	$ 17,834,237
Cost of goods sold	19,176,612	12,467,080
Gross profit	10,241,378	5,367,157
Operating expenses:
Selling	7,244,514	5,187,849
General and administrative	1,433,499	1,541,249
Research and development	1,944,690	1,522,510
Sales tax expense	831,000	0
Total	11,453,703	8,251,608
Operating profit (loss)	(1,212,325)	(2,884,451)
Other:
Interest income	100	254
Interest expense	(98,757)	(54,452)
Other income (expense), net	(41,357)	12,579
Total other income (expense), net	(140,014)	(41,619)
Income (loss) before income taxes	(1,352,339)	(2,926,070)
Income taxes	14,660	7,070
Net income (loss)	$ (1,366,999)	$ (2,933,140)
Other comprehensive income (loss):
Basic and diluted net income (loss) per share	$ (0.09)	$ (0.21)
Weighted average common and common equivalent shares:
Basic and diluted	14,917,301	13,907,957