Equity (Tables)

3 Months Ended

Mar. 31, 2018

Stockholders' Equity Note [Abstract]

Schedule of weighted average number of shares outstanding

	Three Months Ended March 31,
	2018	2017
Weighted average number of shares outstanding:
Common stock	25,912,819	20,827,993
Common stock equivalents-stock options, grants	28,509	47,052
Diluted shares outstanding	25,941,328	20,875,045