XML 31 R14.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Product Warranties | 12 Months Ended
--- | ---
Dec. 31, 2017
Product Warranties Disclosures [Abstract] |
Product Warranty Disclosure [Text Block] | 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, 2017 and 2016 is as follows:
|  | 2017 |  | 2016 |
Warranty liability, beginning of year |  | $ | 213,000 |  | $ | - |
Accruals |  |  | 69,000 |  |  | 283,000 |
Payments |  |  | (114,000) |  |  | (70,000) |
Adjustments and other |  |  | 13,000 |  |  |  |
Warranty liability, end of year |  | $ | 181,000 |  | $ | 213,000 |

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://www.xbrl.org/2003/role/presentationRef -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