Schedule II - Valuation And Qualifying Accounts

12 Months Ended

Dec. 31, 2013

Valuation and Qualifying Accounts [Abstract]

Schedule II Valuation And Qualifying Accounts

SCHEDULE II

PARKERVISION, INC. AND SUBSIDIARY

VALUATION AND QUALIFYING ACCOUNTS

012
Valuation Allowance for Income Taxes	Balance at Beginning of Period	Provision	Write-Offs	Balance at End of Period
Year ended December 31, 2011	$ 88,804,628	5,722,492	(1,934,149)	92,592,971
Year ended December 31, 2012	92,592,971	7,640,454	(2,226,498)	98,006,927
Year ended December 31, 2013	98,006,927	10,648,966	(706,055)	107,949,839