XML 14 R62.htm IDEA: XBRL DOCUMENT v3.20.1
Product Warranty Provisions - Schedule of Accrued Warranty (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Product Warranties Disclosures [Abstract]    
Warranty accrual, beginning of the fiscal period $ 149,464 $ 164,365
Accrual adjustment for product warranty 56,118 34,253
Payments made (63,885) (49,154)
Warranty accrual, end of the fiscal period $ 141,697 $ 149,464