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Employee Benefit Plan (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Compensation And Retirement Disclosure Abstract
Defined Contribution Plan Maximum Annual Contributions Per Employee Amount	$ 18,000
Stock Issued During Period Shares Employee Benefit Plan			7,318
Defined Contribution Plan Cost Recognized			$ 110,000
Defined Contribution Plan Employer Discretionary Contribution Amount	$ 808,690	$ 811,513	$ 657,504

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 70
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

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Amount of discretionary contributions made by an employer to a defined contribution plan.

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Maximum amount the employee may contribute to a defined contribution plan.

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Number of shares issued during the period to an employee benefit plan, such as a defined contribution or defined benefit plan.

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