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v2.4.1.9

Reconciliation of Segment Operating Income (Details) (USD $) | 3 Months Ended | 12 Months Ended
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Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013
Reconciliation Of Segment Operating Income Details |  |  |  |  |  |  |  |  |  |
Total operating income |  |  |  |  |  |  |  |  | $ 7,394,461 us-gaap_OperatingIncomeLoss | $ 5,879,096 us-gaap_OperatingIncomeLoss
Interest expense, net |  |  |  |  |  |  |  |  | 473,486 us-gaap_InterestIncomeExpenseNet | 350,334 us-gaap_InterestIncomeExpenseNet
Other expense, net |  |  |  |  |  |  |  |  | 118,250 us-gaap_OtherNonoperatingIncomeExpense | 34,871 us-gaap_OtherNonoperatingIncomeExpense
Consolidated income before taxes |  |  |  |  |  |  |  |  | 6,802,725 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 5,493,891 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Net income | $ 689,000 us-gaap_NetIncomeLoss | $ 1,189,000 us-gaap_NetIncomeLoss | $ 2,543,000 us-gaap_NetIncomeLoss | $ 368,000 us-gaap_NetIncomeLoss | $ 524,000 us-gaap_NetIncomeLoss | $ 959,000 us-gaap_NetIncomeLoss | $ 2,211,000 us-gaap_NetIncomeLoss | $ 309,000 us-gaap_NetIncomeLoss | $ 4,789,005 us-gaap_NetIncomeLoss | $ 4,002,905 us-gaap_NetIncomeLoss

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