Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Schedule of reconciliation of common stock

The following table provides a reconciliation of the beginning and ending common stock balances for the three months ended March 31, 2019 and for the year ended December 31, 2018:

	Three Months Ended March 31, 2019	Year Ended December 31, 2018
Balance, beginning of period	18,634,502	18,085,798
Issuance of common stock	143,600	334,700
Restricted stock-based awards	84,690	214,004
Balance, end of period	18,862,792	18,634,502