Note 5 - Notes Receivable - Related Party (Detail) (USD $)	3 Months Ended		2 Months Ended		1 Months Ended	3 Months Ended		21 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Feb. 28, 2013 Global Note Receivable [Member]	Feb. 28, 2013 Global Loan [Member]	Mar. 31, 2013 Global 2013 Note [Member]	Jun. 15, 2015 Global 2013 Note [Member]	Mar. 31, 2013 Global 2013 Note [Member]	Mar. 31, 2015 Global 2013 Note [Member]
Due from Related Parties, Noncurrent	$ 16,166,000	$ 16,881,000	$ 5,000,000	$ 12,000,000	$ 17,000,000		$ 17,000,000
Related Party Transaction, Rate			12.50%	12.50%	12.75%
Proceeds from Collection of Long-term Loans to Related Parties	500,000				500,000
Related Party Transaction Fee							340,000
Deferred Transaction Fee					334,000		334,000
Amortization of Deferred Loan Origination Fees, Net	125,000						86,000
Related Party Note Receivable, Quarterly Principal Payments						$ 4,500,000		$ 1,500,000