Quarterly report pursuant to Section 13 or 15(d)

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

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Fair Value Measurements - Assets and Liabilities Carried at Fair Value Measured on Recurring Basis (Details) - Fair Value, Measurements, Recurring
Mar. 31, 2017
USD ($)
Assets  
Total assets at fair value $ 1,428,287
Investments in securities  
Assets  
Total assets at fair value 1,428,287
Level 1  
Assets  
Total assets at fair value 1,428,287
Level 1 | Investments in securities  
Assets  
Total assets at fair value $ 1,428,287