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Commitments and Contingencies (Details Textual) | 12 Months Ended
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Dec. 31, 2017 USD ($) Officers | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Commitments and Contingencies (Textual) |  |  |
Description of employment agreement | These agreements also include a) an incentive program, b) a stock option plan, c) a one-year non-compete agreement upon termination and a severance payment equal to one year of compensation. |  |
Estimated aggregate salary commitment | $ 2,800,000 |  |
Agreement with data processor expire date | 2023 |  |
Base monthly charges under agreement with data processor | $ 102,000 |  |
Operating lease expired date | 2028 |  |
Lease expense | $ 1,300,000 | $ 1,200,000 | $ 954,000
Chief Executive Officer [Member] |  |  |
Commitments and Contingencies (Textual) |  |  |
Period of employment agreement | 3 years |  |
President [Member] |  |  |
Commitments and Contingencies (Textual) |  |  |
Period of employment agreement | 2 years |  |
Executive Vice President [Member] |  |  |
Commitments and Contingencies (Textual) |  |  |
Period of employment agreement | 2 years |  |
Number of executive officers | Officers | 12 |  |

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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Details
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