Deferred Revenue and Income (Tables)

6 Months Ended

Jun. 30, 2017

Deferred Revenue Disclosure [Abstract]

Deferred Revenue and Income Summary

A summary of the balances as of June 30, 2017, and December 31, 2016, follows:

Deferred Revenue and Income
(in thousands)
	June 30,		December 31,
	2017		2016
Products and services not yet delivered	$	78	$	35
Arizona Commerce Authority grant	1,000		—
Total current deferred revenue and income	$	1,078	$	35
Arizona Commerce Authority grant	—		1,000
Total long-term deferred income	$	—	$	1,000