LEEVAC Transaction - Consideration Sources (Details) - LEEVAC - USD ($)				3 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Jan. 01, 2016	Sep. 30, 2016
Consideration received upon acquisition of LEEVAC:
Seller payment for prepaid contracts	$ 14,824,000	$ 16,942,000		$ 14,824,000
Surety payments related to assigned contracts	7,125,000	7,125,000		7,125,000
Cash received	21,949,000	24,067,000		21,949,000
Less:
Working capital assumed	(1,136,000)	2,479,000		(1,136,000)
Due from seller	1,497,000	0		1,497,000
Net cash due to the Company at closing	1,588,000	1,588,000	$ 1,600,000	1,588,000
Working capital assumed and net cash due	1,949,000	4,067,000		1,949,000
Purchase price	$ 20,000,000	$ 20,000,000	$ 20,000,000
Adjustment from working capital true-up
Seller payment for prepaid contracts				(2,118,000)
Cash received				(2,118,000)
Working capital assumed				(3,615,000)
Due from seller				1,497,000
Working capital assumed and net cash due				$ (2,118,000)