SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2016

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

	Balance at						Balance
	Beginning						at End
	of Period		Additions		(Deductions)		of Period
Allowance for Doubtful Accounts:
Year ended December 31, 2016	$	75,160	$	13,348	$	(83,277)	$	5,231
Year ended December 31, 2015	$	52,213	$	72,877	$	(49,930)	$	75,160
Year ended December 31, 2014	$	37,392	$	40,714	$	(25,893)	$	52,213
Inventory Reserve:
Year ended December 31, 2016	$	10,662	$	564,451	$	(11,298)	$	563,815
Year ended December 31, 2015	$	27,274	$	59,581	$	(76,193)	$	10,662
Year ended December 31, 2014	$	35,009	$	19,701	$	(27,435)	$	27,274
Deferred Tax Asset Valuation Allowance:
Year ended December 31, 2016	$	69,014,000	$	3,620,000	$	—	$	72,634,000
Year ended December 31, 2015	$	69,307,000	$	—	$	(293,000)	$	69,014,000
Year ended December 31, 2014	$	56,272,000	$	13,035,000	$	—	$	69,307,000

Allowances and reserves are deducted from the accounts to which they apply