Note 4 - Contract Receivables (Tables)

9 Months Ended

Sep. 30, 2013

Receivables [Abstract]

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

	September 30, 2013			December 31, 2012
Billed	$	117,088		$	135,917
Unbilled		100,950			70,469
Allowance for doubtful accounts		(1,599	)		(1,448	)
Contract receivables, net	$	216,439		$	204,938