Prepaid Expenses and Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2015

Prepaid Expense and Other Assets, Current [Abstract]

Schedule of major components of the prepaid expenses and other current assets

	Year Ended December 31,
(in thousands)	2014		2015
Insurance	$	117	$	114
Other miscellaneous		75		26
	$	192	$	140