Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Details)

v3.7.0.1
Fair Value Measurements - Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Details) - Fair Value, Measurements, Recurring
Jun. 30, 2017
USD ($)
Assets  
Total assets at fair value $ 1,381,361
Investments in securities  
Assets  
Total assets at fair value 1,381,361
Level 1  
Assets  
Total assets at fair value 1,381,361
Level 1 | Investments in securities  
Assets  
Total assets at fair value $ 1,381,361