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Income Taxes (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Mar. 31, 2015 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2012 USD ($)
Income Taxes [Abstract] |  |  |  |  |
Consecutive number of quarters | 7 |  |  |  |
Income tax expense | $ 150,000 | $ 3,200,000 |  |  |
Proceeds from sale of common stock |  |  |  |  | $ 22,500,000
Net operating loss carry forwards |  | 25,166,000 |  | $ 25,166,000 |
Alternative minimum tax credit carryforwards |  | 105,000 |  | 105,000 |
Carryforwards utilize limit before the stock offering closed |  |  |  | 163,000 |
Unutilized operating loss carryforwards that will expire |  | 20,520,000 |  | 20,520,000 |
Reduced deferred tax assets and valuation allowance |  | 6,977,000 |  | 6,977,000 |
Effective income tax rate | 34.00% |  |  |  |
Additional bad debt deductions provided by Federal income tax laws |  |  |  | 2,250,000 |
Deferred tax liability not recorded |  | 765,000 |  | 765,000 |
Deferred tax asset |  | 3,300,000 |  | 3,300,000 |
Unrecognized Tax Benefits | $ 0 | $ 0 |  | $ 0 |

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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b),(c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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