Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2017

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



(in thousands)	June 30, 2017		December 31, 2016
Glebe Road	$	66,735	$	58,147
Other	6,056		5,423
Total	$	72,791	$	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 June 30,		As of or for the six months ended June 30,
(In thousands)	2017	2016	2017	2016
Weighted average common stock outstanding-Basic	21,846	21,443	21,796	21,374
Effect of dilutive options	81	73	114	52
Weighted average common stock outstanding-Diluted	21,927	21,516	21,910	21,426
Non-dilutive options	—	227	—	259
Years non-dilutive options were issued		2016		2007, 2015, and 2016