Summary of Significant Accounting Policies (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
|
| Accounting Policies [Abstract] | ||
| Balance at beginning of year | $ 24,190 | $ 21,935 |
| Increase in estimated warranty liability | 1,631 | 1,483 |
| Warranty expenses incurred | (50) | |
| Balance at end of year | $ 25,771 | $ 23,418 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of increase (decrease) in the standard and extended product warranty liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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