Note 10. - Loans Receivable, Net (Details) (USD $)
Sep. 30, 2012
Mar. 31, 2012
Commercial and Industrial
   
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due $ 380,111 $ 633,659
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due   502,674
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due 222,278 365,985
Financing Receivable Total Past Due 602,389 1,502,318
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing 148,433 305,581
Financing Receivable, Recorded Investment, Nonaccrual Status 1,201,668 1,232,156
Commercial Real Estate
   
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due 171,044 1,710,467
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due 100,000  
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due 2,497,528 3,384,970
Financing Receivable Total Past Due 2,768,572 5,095,437
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing   2,453,359
Financing Receivable, Recorded Investment, Nonaccrual Status 6,939,269 4,046,735
Commercial Real Estate Multifamily
   
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due   943,792
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due 1,006,129 79,089
Financing Receivable Total Past Due 1,006,129 1,022,881
Financing Receivable, Recorded Investment, Nonaccrual Status 1,006,129 79,089
Construction and Land Development Residential
   
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due 335,100 283,125
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due   520,354
Financing Receivable Total Past Due 335,100 803,479
Financing Receivable, Recorded Investment, Nonaccrual Status   520,354
Other Construction and Land Development
   
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due 1,249,403 121,083
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due 451,673 20,622
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due 361,821 132,147
Financing Receivable Total Past Due 2,062,897 273,852
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing 86,000  
Financing Receivable, Recorded Investment, Nonaccrual Status 1,997,109 1,558,814
Consumer Non-Real Estate Automobile
   
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due 935,884 417,745
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due 130,153 46,932
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due 25,743 72,627
Financing Receivable Total Past Due 1,091,780 537,304
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing   28,904
Financing Receivable, Recorded Investment, Nonaccrual Status 32,395 52,983
Consumer Non-Real Estate Other
   
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due 97,938 86,465
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due 6,885 35,305
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due 165,981 232,997
Financing Receivable Total Past Due 270,804 354,767
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing   2,827
Financing Receivable, Recorded Investment, Nonaccrual Status 165,981 230,170
Residential Single Family
   
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due 2,120,786 1,622,088
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due   3,059,536
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due 3,222,823 1,271,891
Financing Receivable Total Past Due 5,343,609 5,953,515
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing 292,542 137,085
Financing Receivable, Recorded Investment, Nonaccrual Status 8,130,326 3,569,655
Residential Equity Lines and Loans
   
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due 1,049,265 318,148
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due 11,000 208,785
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due 663,738 431,800
Financing Receivable Total Past Due 1,724,003 958,733
Financing Receivable, Recorded Investment, Nonaccrual Status 1,153,799 916,749
Total loans past due
   
Financing Receivable, Recorded Investment, 30 to 59 Days Past Due 6,339,531 5,192,780
Financing Receivable, Recorded Investment, 60 to 89 Days Past Due 699,711 4,817,646
Financing Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due 8,166,041 6,491,860
Financing Receivable Total Past Due 15,205,283 16,502,286
Financing Receivable, Recorded Investment, 90 Days Past Due and Still Accruing 526,975 2,927,756
Financing Receivable, Recorded Investment, Nonaccrual Status $ 20,626,676 $ 12,206,705