Note 5 - Loans Receivable (Detail) - Impaired Loans Not Covered By Loss Sharing (USD $)	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Sep. 30, 2012
With no related allowance recorded:
Recorded Investment	$ 10,595,056
Unpaid Principal Balance	12,091,950
Average Investment in Impaired Loans	12,283,799
Interest Income Recognized	105,791
With an allowance recorded:
Recorded Investment	6,373,409
Unpaid Principal Balance	6,373,409
Related Allowance	38,015
Average Investment in Impaired Loans	6,784,877
Interest Income Recognized	15,795
Totals:
Recorded Investment	16,968,465	17,823,851
Unpaid Principal Balance	18,465,359	19,942,187
Related Allowance	38,015
Average Investment in Impaired Loans	19,068,676	19,498,554
Interest Income Recognized	121,586	695,709
Residential Real Estate 1-4 Family [Member]
With no related allowance recorded:
Recorded Investment	2,244,408
Unpaid Principal Balance	2,599,030
Average Investment in Impaired Loans	2,603,030
Interest Income Recognized	3,219
Totals:
Recorded Investment	2,244,408	2,500,824
Unpaid Principal Balance	2,599,030	2,982,895
Average Investment in Impaired Loans	2,603,030	2,867,188
Interest Income Recognized	3,219	31,122
Commercial Real Estate Other Receivable [Member]
With no related allowance recorded:
Recorded Investment	8,159,971
Unpaid Principal Balance	9,257,345
Average Investment in Impaired Loans	9,442,893
Interest Income Recognized	102,471
With an allowance recorded:
Recorded Investment	3,850,467
Unpaid Principal Balance	3,850,466
Related Allowance	23,092
Average Investment in Impaired Loans	4,176,352
Interest Income Recognized	10,623
Totals:
Recorded Investment	12,010,438	12,469,240
Unpaid Principal Balance	13,107,811	14,063,513
Related Allowance	23,092
Average Investment in Impaired Loans	13,619,245	13,689,972
Interest Income Recognized	113,094	568,615
Commercial [Member]
With no related allowance recorded:
Recorded Investment	184,851
Unpaid Principal Balance	200,831
Average Investment in Impaired Loans	203,097
With an allowance recorded:
Recorded Investment	2,522,943
Unpaid Principal Balance	2,522,943
Related Allowance	14,923
Average Investment in Impaired Loans	2,608,525
Interest Income Recognized	5,172
Totals:
Recorded Investment	2,707,794	2,847,862
Unpaid Principal Balance	2,723,774	2,860,935
Related Allowance	14,923
Average Investment in Impaired Loans	2,811,622	2,908,659
Interest Income Recognized	5,172	95,676
Real Estate Construction [Member]
With no related allowance recorded:
Recorded Investment	5,825
Unpaid Principal Balance	34,744
Average Investment in Impaired Loans	34,779
Interest Income Recognized	101
Totals:
Recorded Investment	5,825	5,925
Unpaid Principal Balance	34,744	34,844
Average Investment in Impaired Loans	34,779	32,735
Interest Income Recognized	$ 101	$ 296