XML 28 R14.htm IDEA: XBRL DOCUMENT
v3.21.1

Product Warranties | 12 Months Ended
--- | ---
Dec. 31, 2020
Product Warranties |
Product Warranties | Note 6 – Product Warranties A summary of the Company’s warranty liability activity, which is included in accrued liabilities in the accompanying balance sheets as of December 31, 2020 and 2019, is as follows:
|  | 2020 |  | 2019
Warranty liability, beginning of year |  | $ | 257,000 |  | $ | 257,000
Accruals |  |  | 10,000 |  |  | —
Payments |  |  | — |  |  | (1,000)
Adjustments and other |  |  | (171,000) |  |  | 1,000
Warranty liability, end of year |  | $ | 96,000 |  | $ | 257,000

X
- References No definition available. + Details
Name: | us-gaap_ProductWarrantiesDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for standard and extended product warranties and other product guarantee contracts, including a tabular reconciliation of the changes in the guarantor's aggregate product warranty liability for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -URI http://asc.fasb.org/topic&trid=2155896 + Details
Name: | us-gaap_ProductWarrantyDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration