Condensed Consolidated Statement of Changes in Stockholders' Equity (Unaudited) - 6 months ended Jun. 30, 2018 - USD ($) $ in Thousands	Total	Common Stock ($.001 Par Value)	Paid-In Capital in Excess of Par	Retained Earnings (Accumulated Deficit)	Treasury Stock (at cost)
Beginning balance, shares at Dec. 31, 2017	402,549,346	402,549,346			457,041
Beginning balance at Dec. 31, 2017	$ 648,165	$ 403	$ 2,507,828	$ (1,855,810)	$ (4,256)
Issued or purchased pursuant to stock compensation plans, shares		415,032
Issued pursuant to notes conversion, shares		55,249,999
Issued pursuant to notes conversion, value	162,050	$ 55	161,995
Stock-based compensation	6,529		6,529
Tax withholding - stock compensation, shares					349,277
Tax withholding - stock compensation, value	(899)				$ (899)
Net income	$ 69,800			69,800
Ending balance, shares at Jun. 30, 2018	458,214,337	458,214,377			806,318
Ending balance at Jun. 30, 2018	$ 885,645	$ 458	$ 2,676,352	$ (1,786,010)	$ (5,155)