Stockholders' Equity (Details) - USD ($)						3 Months Ended
	Apr. 02, 2019	Feb. 20, 2019	Nov. 14, 2018	Nov. 13, 2018	Apr. 02, 2018	Feb. 20, 2019	May 07, 2019	Mar. 31, 2019	Dec. 31, 2018	Nov. 06, 2018
Series B
Class of Stock [Line Items]
Preferred stock dividends					$ 32,087
Preferred Stock, Shares Issued								44,000	44,000
Series B | Subsequent Event
Class of Stock [Line Items]
Preferred stock dividends	$ 32,087
Kien Huat Realty Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member]
Class of Stock [Line Items]
Issuance of Preferred Stock and Preference Stock, Funding Fee		$ 200,000		$ 100,000		$ 200,000
Kien Huat Realty Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F Preferred Stock
Class of Stock [Line Items]
Preferred Stock, Shares Issued		200				200
Proceeds from Issuance of Preferred Stock and Preference Stock, Gross		$ 20,000,000
Issuance of Preferred Stock and Preference Stock, Funding Fee		200,000				$ 200,000
Proceeds from Issuance of Preferred Stock and Preference Stock		$ 19,800,000
Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F Preferred Stock
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount										$ 126,000,000
Preferred Stock, Shares Issued		200		120		200
Proceeds from Issuance of Preferred Stock and Preference Stock, Gross				$ 12,000,000		$ 20,000,000
Proceeds from Issuance of Preferred Stock and Preference Stock				$ 11,900,000		$ 19,800,000
bet365 [Member]
Class of Stock [Line Items]
Sale of Stock, Shares Available for Purchase			2,500,000
Sale of Stock, Price Per Share			$ 20
Sale of Stock, Total Consideration To Be Received On Transaction			$ 50,000,000
Sale of Stock, Number of Shares Issued in Transaction			1,685,759
Sale of Stock, Consideration Received on Transaction			$ 29,600,000
Sale of Stock, Remaining Shares under Agreement			814,241
Sale of Stock, Percentage of Ownership after Transaction			100.00%
Preferred DIstribution, Percentage of Positive DIfference			50.00%
Preferred Distribution, Term			3 years
Preferred Distribution, Sale of Common Stock Prior to Trigger Date			$ 0
Initial Put Option [Member]
Class of Stock [Line Items]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs								$ 1,000,000	$ 900,000
Forward Contracts [Member]
Class of Stock [Line Items]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs								100,000	1,900,000
Contingent Put Option [Member]
Class of Stock [Line Items]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs								$ 500,000	$ 400,000
May 10, 2020 Expiration Date [Member]
Class of Stock [Line Items]
Class of Warrant or Right, Outstanding								133,000
Class of Warrant or Right, Exercise Price of Warrants or Rights								$ 30.00
March 15, 2025 Expiration Date [Member]
Class of Stock [Line Items]
Class of Warrant or Right, Exercise Price of Warrants or Rights								$ 81.50
Class of Warrant or Right, Number of Securities Called by Warrants or Rights								60,000
Share Purchase Program Schedule, Period One [Member] | Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F Preferred Stock
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount										12,000,000
Share Purchase Program Schedule, Period One [Member] | Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F Preferred Stock | Subsequent Event
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount							$ 20,000,000
Share Purchase Program Schedule, Period Two [Member] | Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F Preferred Stock
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount										20,000,000
Share Purchase Program Schedule, Period Two [Member] | Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F Preferred Stock | Subsequent Event
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount							27,000,000
Share Purchase Program Schedule, Period Three [Member] | Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F Preferred Stock
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount										20,000,000
Share Purchase Program Schedule, Period Three [Member] | Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F Preferred Stock | Subsequent Event
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount							15,000,000
Share Purchase Program Schedule, Period Four [Member] | Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F Preferred Stock
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount										15,000,000
Share Purchase Program Schedule, Period Four [Member] | Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F Preferred Stock | Subsequent Event
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount							15,000,000
Share Purchase Program Schedule, Period Five [Member] | Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F Preferred Stock
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount										$ 37,000,000
Share Purchase Program Schedule, Period Five [Member] | Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F Preferred Stock | Subsequent Event
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount							$ 37,000,000