Note 6 - Intangible Assets (Details) (USD $)	3 Months Ended		6 Months Ended			3 Months Ended	4 Months Ended	6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Tax Purposes [Member]	Mar. 31, 2013 New Dawn [Member]	Mar. 31, 2013 New Dawn [Member]	Mar. 31, 2014 New Dawn [Member]	Mar. 31, 2014 ISD Corporation [Member]
Note 6 - Intangible Assets (Details) [Line Items]
Finite-Lived Intangible Assets, Net								$ 6,963,000	$ 13,228,000
Finite-Lived Intangible Assets, Accumulated Amortization								2,537,000	1,747,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			5 years		15 years
Amortization of Intangible Assets	$ 1,224,000	$ 476,000	$ 2,419,000	$ 635,000		$ 476,000	$ 635,000	$ 950,000	$ 1,469,000