XML 60 R51.htm IDEA: XBRL DOCUMENT v3.7.0.1
Stock-Based Compensation Arrangements (Stock Option and Restricted Stock Grants) (Detail) - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Shares    
Outstanding, beginning of period 21,657,776 4,523,900
Granted 10,622,392 18,193,027
Stock options exercised (1,316) 0
Restricted stock exercised 0 0
Forfeited/Expired (915,533) (1,059,151)
Outstanding, end of period 31,363,319 21,657,776
Exercisable, end of period 10,860,050 3,665,124
Weighted Avg. Exercise Price    
Outstanding, beginning of period $ 0.21 $ 0.39
Granted 0.16 0.17
Stock options exercised 0.05 0
Restricted stock exercised 0 0
Forfeited/Expired 0.33 0.17
Outstanding, end of period 0.19 0.21
Exercisable, end of period $ 0.23 $ 0.32