Note 6 - Reportable Segments (Detail) - Summarized Financial Information for Reportable Segments (USD $)	1 Months Ended	12 Months Ended
	Jun. 30, 2012	Sep. 30, 2012	Sep. 30, 2011
2012
Other-than-temporary impairment losses on investments	$ 2,855,000
Pretax income (loss)		7,901,000	12,000,000
Income tax benefit (expense)		(2,360,000)	(4,160,000)
Net income (loss)		5,541,000	7,840,000
Total assets		120,964,000	90,816,000
Depreciation and amortization		503,000	535,000
Traditional Business [Member]
2012
Revenues		28,956,000	31,532,000
Income (loss) from operations		10,877,000	12,424,000
Other-than-temporary impairment losses on investments		2,855,000
Pretax income (loss)		10,089,000	13,622,000
Income tax benefit (expense)		(3,340,000)	(4,735,000)
Net income (loss)		6,749,000	8,887,000
Total assets		119,833,000	89,797,000
Capital expenditures		320,000	105,000
Depreciation and amortization		470,000	504,000
Sustain [Member]
2012
Revenues		2,918,000	2,981,000
Income (loss) from operations		(2,195,000)	(1,622,000)
Pretax income (loss)		(2,188,000)	(1,622,000)
Income tax benefit (expense)		980,000	575,000
Net income (loss)		(1,208,000)	(1,047,000)
Total assets		1,131,000	1,019,000
Capital expenditures		52,000	24,000
Depreciation and amortization		33,000	31,000
Report Total [Member]
2012
Revenues		31,874,000	34,513,000
Income (loss) from operations		8,682,000	10,802,000
Other-than-temporary impairment losses on investments		2,855,000
Pretax income (loss)		7,901,000	12,000,000
Income tax benefit (expense)		(2,360,000)	(4,160,000)
Net income (loss)		5,541,000	7,840,000
Total assets		120,964,000	90,816,000
Capital expenditures		372,000	129,000
Depreciation and amortization		$ 503,000	$ 535,000