Note 20 - Accumulated Other Comprehensive (Loss) Income - Accumulated Other Comprehensive Income (Loss) (Details) (Parentheticals) - USD ($)	3 Months Ended		12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Sep. 30, 2016
Net unrealized securities gain (loss), tax benefit (expense)	$ 826,000	$ (190,000)
AOCI Attributable to Parent [Member]
Unrealized gain (loss) on foreign currency translation, tax	232,000		$ (628,000)
Net unrealized securities gain (loss), tax benefit (expense)	826,000		(529,000)
Reclassified from accumulated other comprehensive loss, tax	$ 18,000		$ 24,000