XML 75 R25.htm IDEA: XBRL DOCUMENT
v3.20.1

Product Warranties (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Product Warranties |
Summary of warranty liability activity | A summary of the Company’s warranty liability activity, which is included in accrued liabilities in the accompanying balance sheets as of December 31, 2019 and 2018, is as follows:
|  | 2019 |  | 2018
Warranty liability, beginning of year |  | $ | 257,000 |  | $ | 181,000
Accruals |  |  | — |  |  | 51,000
Payments |  |  | (1,000) |  |  | (32,000)
Adjustments and other |  |  | 1,000 |  |  | 57,000
Warranty liability, end of year |  | $ | 257,000 |  | $ | 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 Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
Name: | us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration