Annual report pursuant to Section 13 and 15(d)

Organization and Summary of Significant Accounting Policies (Details 2)

v3.20.1
Organization and Summary of Significant Accounting Policies (Details 2) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Reconciliation of the product warranty liability    
Balance at beginning of the period $ 175,000 $ 175,000
Payments (529,802) (244,454)
Provision for warranties 729,802 244,454
Balance at end of the period $ 375,000 $ 175,000