Note 5 - Loans Receivable (Detail) - Age Analysis of Past Due Loans (USD $)	Dec. 31, 2012		Sep. 30, 2012
Total Loans	$ 435,810,568		$ 436,966,775
Residential Real Estate 1-4 Family [Member] | Non Covered Loans [Member]
30-89 Days Past Due	2,257,882		1,460,017
Greater than 90 Days Past Due	218,323		621,257
Total Past Due	2,476,205		2,081,274
Current	101,231,031		103,433,270
Total Loans	103,707,236		105,514,544
Loans > 90 Days Accruing	80,786		401,726
Residential Real Estate 1-4 Family [Member] | Covered Loans [Member]
30-89 Days Past Due	685,776		734,789
Greater than 90 Days Past Due	861,847		834,569
Total Past Due	1,547,623		1,569,358
Current	10,600,542		11,460,232
Total Loans	12,148,165	[1]	13,029,590	[2]
Loans > 90 Days Accruing	861,847	[3]	834,570	[3]
Residential Real Estate 1-4 Family [Member]
Total Loans	103,707,236		105,514,544
Commercial Real Estate Other Receivable [Member] | Non Covered Loans [Member]
30-89 Days Past Due	1,111,549		1,459,472
Total Past Due	1,111,549		1,459,472
Current	248,501,438		249,919,538
Total Loans	249,612,987		251,379,010
Commercial Real Estate Other Receivable [Member] | Covered Loans [Member]
30-89 Days Past Due	3,534,577		6,546,132
Greater than 90 Days Past Due	17,935,968		20,588,187
Total Past Due	21,470,545		27,134,319
Current	106,358,618		115,540,726
Total Loans	127,829,163	[1]	142,675,045	[2]
Loans > 90 Days Accruing	17,935,968	[3]	20,588,187	[3]
Commercial Real Estate Other Receivable [Member]
Total Loans	249,612,987		251,379,010
Commercial [Member] | Non Covered Loans [Member]
30-89 Days Past Due	175,418		145,001
Total Past Due	175,418		145,001
Current	17,644,885		16,451,832
Total Loans	17,820,303		16,596,833
Commercial [Member] | Covered Loans [Member]
30-89 Days Past Due	391,024		917,019
Greater than 90 Days Past Due	2,291,399		2,984,197
Total Past Due	2,682,423		3,901,216
Current	12,076,792		13,723,435
Total Loans	14,759,215	[1]	17,624,651	[2]
Loans > 90 Days Accruing	2,291,399	[3]	2,984,197	[3]
Commercial [Member]
Total Loans	17,820,303		16,596,833
Real Estate Construction [Member] | Non Covered Loans [Member]
Current	46,772,520		45,369,190
Total Loans	46,772,520		45,369,190
Real Estate Construction [Member] | Covered Loans [Member]
Current	1,430,861		1,343,072
Total Loans	1,430,861	[1]	1,343,072	[2]
Loans > 90 Days Accruing		[3]		[3]
Real Estate Construction [Member]
Total Loans	46,772,520		45,369,190
Consumer Other Financing Receivable [Member] | Non Covered Loans [Member]
30-89 Days Past Due	172,986		125,054
Greater than 90 Days Past Due	13,564
Total Past Due	186,550		125,054
Current	17,710,972		17,982,144
Total Loans	17,897,522		18,107,198
Consumer Other Financing Receivable [Member] | Covered Loans [Member]
30-89 Days Past Due	43,684		55,441
Greater than 90 Days Past Due	160,577		391,755
Total Past Due	204,261		447,196
Current	3,962,710		4,373,983
Total Loans	4,166,971	[1]	4,821,179	[2]
Loans > 90 Days Accruing	160,577	[3]	391,754	[3]
Consumer Other Financing Receivable [Member]
Total Loans	17,897,522		18,107,198
Non Covered Loans [Member]
30-89 Days Past Due	3,717,835		3,189,544
Greater than 90 Days Past Due	231,887		621,257
Total Past Due	3,949,722		3,810,801
Current	431,860,846		433,155,974
Total Loans	435,810,568		436,966,775
Loans > 90 Days Accruing	80,786		401,726
Covered Loans [Member]
30-89 Days Past Due	4,655,061		8,253,381
Greater than 90 Days Past Due	21,249,791		24,798,708
Total Past Due	25,904,852		33,052,089
Current	134,429,523		146,441,448
Total Loans	160,334,375	[1]	179,493,537	[2]
Loans > 90 Days Accruing	$ 21,249,791	[3]	$ 24,798,708	[3]

[1] Covered loan balances are net of non-accretable differences and allowance for covered loan losses and have not been reduced by $11,037,025 of accretable discounts and discounts on acquired performing loans.

[2] Covered loan balances are net of non-accretable differences and allowance for covered loan losses and have not been reduced by $13,233,075 of accretable discounts and discounts on acquired performing loans.

[3] Covered loans contractually past due greater than ninety days are reported as accruing loans because of accretable discounts established at the time of acquisition.