Prepaid Expenses and Other Current Assets

12 Months Ended

Dec. 31, 2013

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Prepaid Expenses and Other Current Assets

Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following at December 31, 2013 and 2012 (in thousands):

	December 31,
	2013		2012
Inventory	$	—	$	37
Income tax receivable	26		83
Prepaid maintenance contracts	98		170
Deferred installation costs	58		49
Prepaid insurance	94		65
Other prepaid expenses	128		130
Retention bonuses in escrow	—		363
Prepaid expenses and other current assets	$	404	$	897