Accounts Receivable and Allowance for Doubtful Accounts

12 Months Ended

Dec. 31, 2015

Accounts Receivable And Allowance for Doubtful Accounts

Accounts Receivable and Allowance for Doubtful Accounts

3. Accounts Receivable and Allowance for Doubtful Accounts

        Accounts receivable, net consists of the following:

	December 31,
	2015		2014
	(in thousands)
Accounts receivable	$	360	$	308
Other receivables		615		42
Accounts receivable, net	$	975	$	350

        The changes in allowance for doubtful accounts are as follows:

	Balance at Beginning of Period		Additions Charged to Expense/Against Revenue		Deductions			Balance at End of Period
	(in thousands)
Allowance for doubtful accounts:
Year ended December 31, 2015	$	—	$	—	$	—		$	—
Year ended December 31, 2014		12		—		(12	)		—
Year ended December 31, 2013		—		12		—			12