Schedule of valuation and qualifying accounts

12 Months Ended

Dec. 31, 2016

Schedule II - Valuation and Qualifying Accounts – Years ended December 31, 2016, 2015, and 2014

(in thousands)

Col. A	Col. B		Col. C(1)		Col. C(2)		Col. D		Col. E
			Additions
	Balance at		Charged to		Charged		Deductions		Balance
	Beginning		Costs and		to Other		Charged to		at End
	of Period		Expenses		Accounts		Reserves		of Period
Allowance for doubtful accounts receivable:
2016	$	20	$	-	$	-	$	-	$	20
2015	$	20	$	-	$	-	$	-	$	20
2014	$	20	$	-	$	-	$	-	$	20

Inventory reserves:
2016	$	-	$	-	$	-	$	-	$	-
2015	$	-	$	-	$	-	$	-	$	-
2014	$	-	$	-	$	-	$	-	$	-

Warranty reserves:
2016	$	-	$	-	$	-	$	-	$	-
2015	$	-	$	-	$	-	$	-	$	-
2014	$	-	$	-	$	-	$	-	$	-

Deferred tax asset valuation allowance:
2016	$	-	$	-	$	-	$	-	$	-
2015	$	-	$	-	$	-	$	-	$	-
2014	$	-	$	-	$	-	$	-	$	-