Quarterly report pursuant to Section 13 or 15(d)

10. Commitments and Contingencies (Details)

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10. Commitments and Contingencies (Details)
Jun. 30, 2015
USD ($)
Future minimum maintenance fee payments  
2015 $ 150,000
2016 300,000
2017 300,000
2018 300,000
2019 300,000
Thereafter 1,750,000
Future minimum maintenance fee payments Net $ 3,100,000