Deferred Revenue and Income (Tables)

9 Months Ended

Sep. 30, 2014

Accounting Policies [Abstract]

Deferred Revenue and Income Summary

Deferred Revenue and Income (in thousands)
	September 30, 2014		December 31, 2013
Prepaid royalties	$	61	$	69
Fisher agreement		13		13
Total current deferred revenue and income	$	74	$	82
Arizona Commerce Authority Grant (see Note 7)	$	750	$	750
Fisher agreement		13		27
Total long-term deferred income	$	763	$	777