Annual report pursuant to Section 13 and 15(d)

Stock Compensation Plans (A Summary Of The Status Of 1999 Plan) (Detail)

v3.8.0.1
Stock Compensation Plans (A Summary Of The Status Of 1999 Plan) (Detail)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2017
USD ($)
$ / shares
shares
Shares  
Options outstanding, beginning balance (in shares) | shares 3,000,000
Forfeited (in shares) | shares (3,000,000)
Options outstanding, ending balance (in shares) | shares 0
Weighted- Average Exercise Price  
Options outstanding, beginning balance (in USD per share) | $ / shares $ 1.91
Forfeited (in USD per share) | $ / shares 1.91
Options outstanding, ending balance (in USD per share) | $ / shares $ 0.00
Aggregate Intrinsic Value  
Options outstanding | $ $ 0
Plan 1999  
Shares  
Options outstanding, beginning balance (in shares) | shares 12,122,500
Exercised (in shares) | shares (3,300,500)
Forfeited (in shares) | shares (10,000)
Expired (in shares) | shares (180,000)
Options outstanding, ending balance (in shares) | shares 8,632,000
Options exercisable, ending balance (in shares) | shares 8,632,000
Weighted- Average Exercise Price  
Options outstanding, beginning balance (in USD per share) | $ / shares $ 1.62
Exercised (in USD per share) | $ / shares 2.25
Forfeited (in USD per share) | $ / shares 2.30
Expired (in USD per share) | $ / shares 2.63
Options outstanding, ending balance (in USD per share) | $ / shares 1.36
Options exercisable, ending balance (in USD per share) | $ / shares $ 1.36
Weighted- Average Remaining Contractual Term (Years)  
Options outstanding 1 year 9 months 45 days
Options exercisable, ending balance 1 year 9 months 45 days
Aggregate Intrinsic Value  
Options outstanding | $ $ 15,556
Options exercisable, ending balance | $ $ 15,556