Note 21 - Fair Value - Assets Measured At Fair Value On a Recurring and Nonrecurring Basis (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Securities available for sale, fair value	$ 251,113,139	$ 323,434,982
Fair value	18,788,073	12,268,677
Fair Value, Inputs, Level 1 [Member]
Fair value
Fair Value, Inputs, Level 2 [Member]
Fair value
Fair Value, Inputs, Level 3 [Member]
Fair value	18,788,073	12,268,677
Fair Value, Measurements, Recurring [Member]
Assets Fair Value	254,027,947	327,335,531
Liabilities Fair Value	2,338,281	3,044,525
Fair Value, Measurements, Recurring [Member] \| Interest Rate Cap [Member]
Interest rate caps	576,527	856,024
Fair Value, Measurements, Recurring [Member] \| Interest Rate Swap [Member]
Interest rate caps	2,338,281	3,044,525
Derivative Liabilites	2,338,281	3,044,525
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Assets Fair Value	1,361	411
Liabilities Fair Value
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Interest Rate Cap [Member]
Interest rate caps
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member] \| Interest Rate Swap [Member]
Interest rate caps
Derivative Liabilites
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Assets Fair Value	254,026,586	327,335,120
Liabilities Fair Value	2,338,281	3,044,525
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Interest Rate Cap [Member]
Interest rate caps	576,527	856,024
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member] \| Interest Rate Swap [Member]
Interest rate caps	2,338,281	3,044,525
Derivative Liabilites	2,338,281	3,044,525
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Assets Fair Value
Liabilities Fair Value
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Interest Rate Cap [Member]
Interest rate caps
Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member] \| Interest Rate Swap [Member]
Interest rate caps
Derivative Liabilites
US Government Agencies Debt Securities [Member]
Securities available for sale, fair value	46,083,607	213,537,379
US Government Agencies Debt Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Securities available for sale, fair value	46,083,607	213,537,379
US Government Agencies Debt Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Securities available for sale, fair value
US Government Agencies Debt Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Securities available for sale, fair value	46,083,607	213,537,379
US Government Agencies Debt Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Securities available for sale, fair value
Residential Mortgage Backed Securities [Member]
Securities available for sale, fair value	147,702,127	80,670,135
Residential Mortgage Backed Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Securities available for sale, fair value	147,702,127	80,670,135
Residential Mortgage Backed Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Securities available for sale, fair value
Residential Mortgage Backed Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Securities available for sale, fair value	147,702,127	80,670,135
Residential Mortgage Backed Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Securities available for sale, fair value
US States and Political Subdivisions Debt Securities [Member]
Securities available for sale, fair value	52,604,426	27,578,588
US States and Political Subdivisions Debt Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Securities available for sale, fair value	52,604,426	27,578,588
US States and Political Subdivisions Debt Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Securities available for sale, fair value
US States and Political Subdivisions Debt Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Securities available for sale, fair value	52,604,426	27,578,588
US States and Political Subdivisions Debt Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Securities available for sale, fair value
Other Securities [Member]
Securities available for sale, fair value	4,722,979	1,648,880
Other Securities [Member] \| Fair Value, Measurements, Recurring [Member]
Securities available for sale, fair value	4,722,979	1,648,880
Other Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 1 [Member]
Securities available for sale, fair value	1,361	411
Other Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 2 [Member]
Securities available for sale, fair value	4,721,618	1,648,469
Other Securities [Member] \| Fair Value, Measurements, Recurring [Member] \| Fair Value, Inputs, Level 3 [Member]
Securities available for sale, fair value
Impaired Loans Leases [Member]
Fair value	12,823,121	4,545,966
Impaired Loans Leases [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value
Impaired Loans Leases [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value
Impaired Loans Leases [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value	12,823,121	4,545,966
Other Real Estate Owned [Member]
Fair value	5,964,952	7,722,711
Other Real Estate Owned [Member] \| Fair Value, Inputs, Level 1 [Member]
Fair value
Other Real Estate Owned [Member] \| Fair Value, Inputs, Level 2 [Member]
Fair value
Other Real Estate Owned [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair value	$ 5,964,952	$ 7,722,711

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Fair value of financial and nonfinancial obligations.

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