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Commitments and Contingencies - Schedule Of Product Warranty Reserve (Details) - USD ($)
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Commitments And Contingencies Disclosure [Abstract]    
Beginning balance $ 37,156 $ 50,426
Cost of warranty claims (2,247) (173)
Increase (decrease) in warranty reserve 752 (12,561)
Ending balance $ 35,661 $ 37,692