Investments (Tables)

3 Months Ended

Mar. 31, 2016

Investments, Debt and Equity Securities [Abstract]

Schedule of amortized cost and fair value of investments, with gross unrealized gains and losses

At March 31, 2016, the amortized cost and fair value of investments, with gross unrealized gains and losses, were as follows:

				Gross			Gross
	Amortized			Unrealized			Unrealized
(in thousands)	Cost			Gains			Losses			Fair Value
Money market funds		$	245		$	—		$	—		$	245
Total investments		$	245		$	—		$	—		$	245
Reported as:
Cash and cash equivalents											$	195
Restricted cash, long-term												50
Total investments											$	245

At December 31, 2015, the amortized cost and fair value of investments, with gross unrealized gains and losses, were as follows:

				Gross			Gross
	Amortized			Unrealized			Unrealized
(in thousands)	Cost			Gains			Losses			Fair Value
Money market funds		$	196		$	—		$	—		$	196
Total investments		$	196		$	—		$	—		$	196
Reported as:
Cash and cash equivalents											$	3
Restricted cash, long-term												193
Total investments											$	196