Condensed Statements of Operations (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Revenues	$ 2,121,098	$ 1,455,158	$ 3,493,490	$ 2,772,210
Cost of revenues	2,394,975	1,399,822	3,916,487	2,756,515
Gross income (loss)	(273,877)	55,336	(422,997)	15,695
Operating expenses	1,369,010	888,456	2,471,685	1,790,456
Loss from operations	(1,642,887)	(833,119)	(2,894,682)	(1,774,760)
Other income (expense)
Interest income	1,924	627	2,910	9,519
Interest expense	0	(665)	0	(10,437)
Total other income (expense), net	1,924	(38)	2,910	(918)
Loss before income tax expense	(1,640,963)	(833,157)	(2,891,772)	(1,775,678)
Income tax expense	825	800	825	800
Net loss	$ (1,641,788)	$ (833,957)	$ (2,892,597)	$ (1,776,478)
Net loss per share - basic and diluted	$ (0.18)	$ (0.16)	$ (0.33)	$ (0.34)
Weighted average shares outstanding - basic and diluted	8,882,322	5,257,681	8,823,965	5,240,427