Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses - Components of Accrued Expenses (Details)

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Accrued Expenses - Components of Accrued Expenses (Details) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Accrued Expenses    
Accrued Wages and Related Costs $ 286,126 $ 394,669
Accrued Professional Services 69,690 217,721
Accrued Warranty Obligations 99,115 98,893
Other Accrued Expenses 100,090 174,614
Total $ 555,021 $ 885,897