Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenue	$ 3,468,675	$ 9,153,833
Cost of revenue	3,856,417	5,392,919
Gross profit	(387,742)	3,760,914
Operating expenses
Research and development	164,080	96,806
Selling and shipping	277,306	513,475
General and administrative	1,735,974	2,240,065
Total operating expenses	2,177,360	2,850,346
Operating (loss) income	(2,565,102)	910,568
Other income (expense):
Interest income	46,806	16,960
Interest expense	(114,651)	(121,354)
Total other expense, net	(67,845)	(104,394)
(Loss) income before income tax	(2,632,947)	806,174
Income tax (benefit) expense	(456,000)	247,770
Net (loss) income	$ (2,176,947)	$ 558,404
Basic income (loss) per common share (in dollars per share)	$ (0.33)	$ 0.09
Diluted income (loss) per common share (in dollars per share)	$ (0.33)	$ 0.09
Weighted average common shares Outstanding-basic (in shares)	6,539,120	6,467,252
Weighted average common shares Outstanding-diluted (in shares)	6,539,120	6,477,699