Per Share Data (Tables)

6 Months Ended

Jun. 30, 2016

A reconciliation of basic and diluted common shares used in the computation of per share data follows:



	Three Months Ended June 30,		Six Months Ended June 30,
	2016	2015	2016	2015
Basic weighted-average shares	180,674,937	184,743,052	181,019,191	184,870,096
Effect of dilutive securities:
Options to purchase common stock	—	—	—	—
Warrants to purchase common stock	—	—	—	—
Dilutive potential common shares	—	—	—	—
Weighted average common shares outstanding and dilutive potential common shares	180,674,937	184,743,052	181,019,191	184,870,096