Note C - Contract Receivables (Tables)

12 Months Ended

Dec. 31, 2014

Receivables [Abstract]

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

	2014			2013
Billed	$	162,976		$	102,995
Unbilled		90,419			96,243
Retainages		5,788			3,914
Other		2,958			3,663
Allowance for doubtful accounts		(1,887	)		(1,753	)
Contract receivables, net	$	260,254		$	205,062