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Condensed Consolidated Statements of Operations (Unaudited) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Revenue $ 5,808,588 $ 4,034,408 $ 10,460,820 $ 7,400,268
Cost of revenue 4,367,472 3,037,280 8,253,647 5,958,834
Gross profit 1,441,116 997,128 2,207,173 1,441,434
Operating expenses        
Research and development 569,194 430,754 879,401 741,708
Selling and shipping 332,261 229,147 604,940 364,902
General and administrative 1,396,506 1,420,151 2,589,955 3,036,535
Total operating expenses 2,297,961 2,080,052 4,074,296 4,143,145
Operating loss (856,845) (1,082,924) (1,867,123) (2,701,711)
Other income (expense):        
Interest income 12,647 403 30,929 1,626
Interest expense 0 (107,000) (5,344) (214,221)
Gain on debt extinguishment 0 2,443,418 0 2,443,418
Other income 5,621 217,592 5,621 436,827
Total other income, net 18,268 2,554,413 31,206 2,667,650
(Loss) income before income tax (838,577) 1,471,489 (1,835,917) (34,061)
Income tax expense 825 1,064 825 1,064
Net (loss) income $ (839,402) $ 1,470,425 $ (1,836,742) $ (35,125)
Basic (loss) income per common share (in dollars per share) $ (0.12) $ 0.22 $ (0.27) $ (0.01)
Diluted (loss) income per common share (in dollars per share) $ (0.12) $ 0.22 $ (0.27) $ (0.01)
Weighted average common shares Outstanding-basic (in shares) 6,728,938 6,684,281 6,726,990 6,682,347
Weighted average common shares Outstanding-diluted (in shares) 6,728,938 6,687,229 6,726,990 6,682,347