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Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2019
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On October 30, 2019, under the terms of the Kien Huat Commitment Letter Second Amendment, the Company and Kien Huat entered into a subscription agreement, pursuant to which Kien Huat purchased 75 shares of the Company's Series F Preferred Stock for an aggregate purchase price of $7.5 million, resulting in net proceeds to the Company (after deducting an approximately $75,000 funding fee due to Kien Huat) of $7.4 million.