Note 3 - Contract Receivables (Tables)

3 Months Ended

Mar. 31, 2014

Receivables [Abstract]

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

	March 31, 2014			December 31, 2013
Billed	$	140,726		$	106,658
Unbilled		103,914			100,157
Allowance for doubtful accounts		(1,725	)		(1,753	)
Contract receivables, net	$	242,915		$	205,062