Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2022		Mar. 31, 2021
Revenue	$ 4,655,727	[1]	$ 3,365,860
Cost of revenue	3,886,176		2,921,554
Gross profit	769,551		444,306
Operating expenses
Engineering, research and development	310,207		310,954
Selling and shipping	272,679		135,755
General and administrative	1,192,653		1,616,384
Total operating expenses	1,775,539		2,063,093
Operating loss	(1,005,988)	[1]	(1,618,787)
Other income (expense):
Interest income	18,282		1,223
Interest expense	(9,634)		(107,221)
Other Income	0		219,235
Total other income, net	8,648		113,237
Loss before income tax	(997,340)	[1]	(1,505,550)
Income tax expense	0		0
Net loss	$ (997,340)		$ (1,505,550)
Basic loss per common share (in dollars per share)	$ (0.15)		$ (0.23)
Diluted loss per common share (in dollars per share)	$ (0.15)		$ (0.23)
Weighted average common shares Outstanding-basic (in shares)	6,725,042		6,680,130
Weighted average common shares Outstanding-diluted (in shares)	6,725,042		6,680,130

[1] All elimination entries represent intersegment revenues eliminated in consolidation for external financial reporting.