Accounts Receivable/Advances on Contracts in Progress (Tables)

9 Months Ended

Sep. 30, 2012

Accounts Receivable/Advances on Contracts in Progress [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Net accounts receivable, trade consists of the following:

(in thousands)	September 30, 2012			December 31, 2011
Amounts billed	$	1,637		$	3,327
Accrued revenue	221			177
	1,858			3,504
Less:  Allowance for doubtful accounts	(24		)	(40		)
Net accounts receivable - trade	$	1,834		$	3,464
Advances on contracts in progress	$	1,045		$	2,232