Annual report pursuant to Section 13 and 15(d)

13. Stock Based Compensation (Details)

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13. Stock Based Compensation (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Number of Shares    
Beginning Balance 5,095,458 385,458
Grants 2,150,000 4,710,000
Cancellations (525,000)
Ending Balance 6,720,458 5,095,458
Options exercisable 3,420,458 3,095,458
Weighted Average Exercise Price    
Beginning Balance $ 1.70 $ 10.83
Grants $ 0.55 $ 0.95
Cancellations
Ending Balance $ 1.35 $ 1.70
Options exercisable $ 2.05 $ 2.31
Weighted Average Remaining Contractual Life (years)    
Beginning Balance 4 years 6 months 4 years 2 months 12 days
Grants 4 years 7 months 6 days 4 years 6 months
Ending Balance 3 years 8 months 12 days 4 years 6 months
Options exercisable 3 years 3 months 18 days 4 years 6 months
Aggregate Intrinsic Value    
Beginning Balance  
Grants  
Cancellations  
Ending Balance