Benefit Plans	12 Months Ended
Dec. 31, 2017
Compensation and Retirement Disclosure [Abstract]
Benefit Plans	Benefit Plans The Company has a defined contribution plan (401(k) plan) covering all eligible employees. In 2015, 2016 and 2017, in accordance with the safe harbor provisions of the plan, the Company contributed $347,632, $256,309 and $330,415, respectively, to the plan. The Company adopted the safe harbor provisions for its 401(k) plan which requires it to contribute a fixed match to each participating employee’s contribution to the plan. The fixed match is set at the rate of dollar for dollar on the first 1% of eligible pay contributed, then 50 cents on the dollar for each additional percentage point of eligible pay contributed, up to 5%. Each employee’s eligible pay with respect to calculating the fixed match is limited by IRS regulations. In addition, the Board of Directors, at its sole discretion, may authorize the Company to make additional contributions to each participating employee’s plan. The employee contribution limit for 2015, 2016 and 2017 was $18,000 for employees under the age of 50 and $24,000 for employees 50 years of age or older.

Benefit Plans

The Company has a defined contribution plan (401(k) plan) covering all eligible employees. In 2015, 2016 and 2017, in accordance with the safe harbor provisions of the plan, the Company contributed $347,632, $256,309 and $330,415, respectively, to the plan. The Company adopted the safe harbor provisions for its 401(k) plan which requires it to contribute a fixed match to each participating employee’s contribution to the plan. The fixed match is set at the rate of dollar for dollar on the first 1% of eligible pay contributed, then 50 cents on the dollar for each additional percentage point of eligible pay contributed, up to 5%. Each employee’s eligible pay with respect to calculating the fixed match is limited by IRS regulations. In addition, the Board of Directors, at its sole discretion, may authorize the Company to make additional contributions to each participating employee’s plan. The employee contribution limit for 2015, 2016 and 2017 was $18,000 for employees under the age of 50 and $24,000 for employees 50 years of age or older.