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Commitments and Contingencies - LYL Amendment (Details) - USD ($)
Jun. 01, 2017
May 28, 2016
Dec. 23, 2015
Oct. 02, 2015
Sep. 22, 2015
Jul. 20, 2015
Sep. 17, 2014
Dec. 17, 2013
Other Commitments [Line Items]                
Proceeds from funding agreement (at least)   $ 266,500 $ 715,500 $ 618,000 $ 1,600,000 $ 250,000 $ 500,000 $ 250,000
LYL Interest Buyback Agreement                
Other Commitments [Line Items]                
Proceeds from funding agreement (at least) $ 3,000,000