Accrued Liabilities And Warranties - Accrued Warranty Activity (Details) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
|
| Movement in Extended Product Warranty Accrual [Roll Forward] | ||||
| Accrued warranty, beginning of period | $ 4,866,213 | $ 4,079,769 | $ 5,400,000 | $ 6,001,864 |
| Warranty costs incurred | (717,008) | (513,827) | (1,450,795) | (2,435,922) |
| Net changes in liability for pre-existing warranties | 337,793 | 0 | 337,793 | 0 |
| Provision for warranty | 405,000 | 0 | 605,000 | 0 |
| Accrued warranty, end of period | $ 4,891,998 | $ 3,565,942 | $ 4,891,998 | $ 3,565,942 |
| X | ||||||||||
- Definition Amount as of the balance sheet date of the aggregate extended product warranty liability. Does not include the ending balance for the standard product warranty liability. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of increase (decrease) in the extended product warranty accrual from changes in estimates attributable to preexisting product warranties. Excludes standard product warranties. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition Amount of decrease in the standard and extended product warranty accrual from payments made in cash or in kind to satisfy claims under the terms of the standard and extended product warranty. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The expense charged against earnings for the period pertaining to standard and extended warranties on the entity's goods and services granted to customers. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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