Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2017

Construction in progress as of September 30, 2017 and December 31, 2016, is composed of the following:



(in thousands)	September 30, 2017		December 31, 2016
Glebe Road	$	73,514	$	58,147
Other	6,649		5,423
Total	$	80,163	$	63,570

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 September 30,		As of or for the nine months ended September 30,
(In thousands)	2017	2016	2017	2016
Weighted average common stock outstanding-Basic	21,942	21,597	21,844	21,448
Effect of dilutive options	86	182	105	96
Weighted average common stock outstanding-Diluted	22,028	21,779	21,949	21,544
Non-dilutive options	—	—	—	172
Years non-dilutive options were issued				2007, 2015, and 2016