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Product Warranties
 12 Months Ended
Dec. 31, 2016
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 sheet as of December 31, 2016 is as follows:
 
 
 
2016
 
Warranty liability, beginning of year
 
$
-
 
Accruals
 
 
283,000
 
Payments
 
 
(70,000)
 
Adjustments and other
 
 
-
 
Warranty liability, end of year
 
$
213,000
 
 
There was no accrued warranty liability at December 31, 2015.