v3.19.1

Retirement Plan (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Retirement Benefits [Abstract]
Company's contribution, percent of eligible compensation	3.00%
Company's contribution to the plan	$ 553,224	$ 527,031

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- References

No definition available.

+ Details

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- Definition

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

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No definition available.

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

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No definition available.

+ Details

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