Note 4 - Contract Receivables (Tables)

9 Months Ended

Sep. 30, 2014

Receivables [Abstract]

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

	September 30, 2014			December 31, 2013
Billed	$	156,823		$	106,658
Unbilled		92,944			100,157
Allowance for doubtful accounts		(1,613	)		(1,753	)
Contract receivables, net	$	248,154		$	205,062