XML 66 R55.htm IDEA: XBRL DOCUMENT v3.19.2
Warranty Liability (Details Narrative) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Warranty Liability Abstract    
Changes in warranty liability
Warranty liability, description   Our policy is to accrue 2% of revenue for warranty liability, however our experience has been low due to the claim experience that we feel that the current warranty accrual is reasonable.