Note 3 - Income Taxes (Details Textual) - USD ($)	3 Months Ended								12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Domestic Tax Authority [Member] | Earliest Tax Year [Member]
Open Tax Year									2012
State and Local Jurisdiction [Member] | Earliest Tax Year [Member]
Open Tax Year									2011
California Enterprise Zone Credits [Member]
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest									$ 400,000
Income Tax Expense (Benefit)	$ 360,000	$ 60,000	$ 675,000	$ 25,000	$ 475,000	$ 25,000	$ (20,000)	$ 10,000	(1,120,000)	$ (490,000)	$ 790,000	[1]
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest	(520,000)	$ (27,000)	$ (171,000)	$ 408,000	705,000	$ 13,000	$ 73,000	$ (650,000)	$ (310,000)	$ 141,000	$ 4,569,000	[1]
Effective Income Tax Rate Reconciliation, Percent									360.90%	(347.50%)	17.30%
Liability for Uncertain Tax Positions, Noncurrent	$ 2,991,000				$ 3,244,000				$ 2,991,000	$ 3,244,000
Increase (Decrease) in Income Taxes Payable									(253,000)	3,244,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense									$ 96,000	$ 537,000	$ 0

[1] Includes (i) New Dawn's financial results from December 5, 2012 through September 30, 2013 with revenues of $10,403,000 and expenses of $10,625,000 (including intangible amortization expenses of $1,587,000), and (ii) ISD's September 2013 financial results with revenues of $784,000 and expenses of $694,000 (including intangible amortization expenses of $278,000).