Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Construction in progress as of March 31, 2018 and December 31, 2017, is composed of the following:



(in thousands)	March 31, 2018		December 31, 2017
Glebe Road	$	98,791	$	83,462
Other	9,944		7,652
Total	$	108,735	$	91,114

Basic and Diluted Shares Outstanding

The following table sets forth, for the indicated periods, weighted averages of the number of common shares outstanding, basic and dilutive, the effect of dilutive options and the number of options which are not dilutive because the average price of the Company's common stock was less than the exercise prices. The treasury stock method was used to measure the effect of the dilution.



	As of or for the three months ended March 31,
(In thousands)	2018	2017
Weighted average common stock outstanding-Basic	22,178	21,745
Effect of dilutive options	40	147
Weighted average common stock outstanding-Diluted	22,218	21,892
Non-dilutive options	446	—
Years non-dilutive options were issued	2016 and 2017