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Fair Value Measurements on Recurring and Non-Recurring Basis (Detail) (USD $) | 12 Months Ended |  | 12 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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Dec. 31, 2013 | Dec. 31, 2011 | Dec. 31, 2012 | Dec. 31, 2012 Fair Value, Inputs, Level 1 | Dec. 31, 2012 Fair Value, Inputs, Level 2 | Dec. 31, 2012 Fair Value, Inputs, Level 3 | Dec. 31, 2012 Fair Value | Dec. 31, 2013 Recurring Fair Value, Inputs, Level 1 | Dec. 31, 2012 Recurring Fair Value, Inputs, Level 1 | Dec. 31, 2013 Recurring Fair Value, Inputs, Level 2 | Dec. 31, 2012 Recurring Fair Value, Inputs, Level 2 | Dec. 31, 2013 Recurring Fair Value, Inputs, Level 3 | Dec. 31, 2012 Recurring Fair Value, Inputs, Level 3 | Dec. 31, 2013 Recurring Fair Value | Dec. 31, 2012 Recurring Fair Value | Dec. 31, 2013 Nonrecurring Fair Value, Inputs, Level 1 | Dec. 31, 2012 Nonrecurring Fair Value, Inputs, Level 1 | Dec. 31, 2013 Nonrecurring Fair Value, Inputs, Level 2 | Dec. 31, 2012 Nonrecurring Fair Value, Inputs, Level 2 | Dec. 31, 2013 Nonrecurring Fair Value, Inputs, Level 3 | Dec. 31, 2012 Nonrecurring Fair Value, Inputs, Level 3 | Dec. 31, 2013 Nonrecurring Fair Value | Dec. 31, 2012 Nonrecurring Fair Value
Recurring: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Securities available for sale | $ 74,313,682 | $ 102,866,555 | $ 100,490,267 |  |  |  |  | $ 573,600 |  | $ 73,515,807 | $ 100,490,267 | $ 224,275 |  | $ 74,313,682 | $ 100,490,267 |  |  |  |  |  |  |  |
Non-recurring: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maryland Financial Bank stock | 30,000 | 30,000 | 30,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30,000 | 30,000 | 30,000 | 30,000
Impaired loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,745,229 | 6,083,516 | 4,745,229 | 6,083,516
OREO |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,170,773 | 478,190 |  |  | 1,170,773 | 478,190
Assets, fair value disclosure |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 573,600 |  | 74,686,580 | 100,968,457 | 4,999,504 | 6,113,516 | 80,259,684 | 107,081,973
Securities available for sale: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchases of securities |  |  |  |  | 21,106,052 |  | 21,106,052 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales, calls, and maturities of securities |  |  |  |  | (40,452,598) |  | (40,452,598) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net amortization/accretion of premium/discount |  |  |  |  | (768,638) | (670) | (769,308) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in market value |  |  |  | 454,000 | (6,455,126) | (44,024) | (6,045,150) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
OTTI on investments | 15,581 | 91,928 |  |  |  | (15,581) | (15,581) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transfer to level 1 |  |  |  | 119,600 | (119,600) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transfer to level 2 |  |  |  |  | (284,550) | 284,550 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maryland Financial Bank stock OTTI on stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impaired loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
New impaired loans |  |  |  |  |  | 1,659,984 | 1,659,984 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments and other loan reductions |  |  |  |  |  | (2,529,599) | (2,529,599) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in total provision |  |  |  |  |  | 432,609 | 432,609 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans converted to OREO |  |  |  |  |  | (901,281) | (901,281) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
OREO: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
OREO converted from loans |  |  |  |  | 983,000 |  | 983,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales of OREO |  |  |  |  | (273,121) |  | (273,121) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Write-down of OREO |  |  |  |  | (5,695) |  | (5,695) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loss on disposal of OREO |  |  |  |  | $ (11,601) |  | $ (11,601) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The amount by which the fair value of an investment in Maryland Financial Bank 9MFB) stock is less than the carrying amount of that investment at the balance sheet date and the decline in carrying value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References No definition available. + Details
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- Definition The effect of a change in method or methods for calculating the allowance for credit losses on the current period provision. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524 + Details
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- Definition The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.14(d)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 14 -Subparagraph d -Article 9 + Details
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- Definition The amount by which the fair value of an investment is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary, before considering whether or not such amount is recognized in earnings or other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 35 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=27723805&loc=d3e25351-111560 + Details
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