Accounts Receivable/Advances on Contracts in Progress (Tables)

9 Months Ended

Sep. 30, 2014

Accounts Receivable and Advances on Contracts in Progress [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable

Net accounts receivable, trade and advances on contracts in progress consists of the following:

(in thousands)	September 30, 2014			December 31, 2013
Amounts billed	$	1,688		$	1,396
Accrued revenue	41			18
Gross accounts receivable - trade	1,729			1,414
Less:  Allowance for doubtful accounts	(32		)	—
Net accounts receivable - trade	$	1,697		$	1,414
Advances on contracts in progress	$	2,301		$	1,433