Stockholders' Equity (Details) - USD ($)															3 Months Ended
	Oct. 28, 2019	Oct. 01, 2019	Sep. 23, 2019	Aug. 26, 2019	Jul. 01, 2019	Jun. 17, 2019	May 15, 2019	Apr. 02, 2019	Feb. 20, 2019	Nov. 14, 2018	Nov. 13, 2018	Oct. 01, 2018	Jul. 02, 2018	Apr. 02, 2018	Feb. 20, 2019	Sep. 30, 2019	Aug. 18, 2019	May 07, 2019	Dec. 31, 2018	Nov. 06, 2018	Mar. 16, 2018
Series B
Class of Stock [Line Items]
Preferred stock dividends					$ 32,087			$ 32,087				$ 32,087	$ 32,087	$ 32,087
Preferred stock, shares issued (shares)																44,258			44,258
Series B | Subsequent Event [Member]
Class of Stock [Line Items]
Preferred stock dividends		$ 32,087
Series F
Class of Stock [Line Items]
Preferred stock, shares issued (shares)																965			120
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
Class of Stock [Line Items]
Preferred stock, shares issued (shares)			75	150		150	270		200						200
Proceeds from Issuance of Preferred Stock and Preference Stock, Gross			$ 7,500,000	$ 15,000,000		$ 15,000,000	$ 27,000,000		$ 20,000,000
Issuance of Preferred Stock and Preference Stock, Funding Fee			75,000	150,000		150,000	270,000		200,000						$ 200,000
Proceeds from Issuance of Preferred Stock and Preference Stock			$ 7,400,000	$ 14,800,000		$ 14,800,000	$ 26,700,000		$ 19,800,000
Kien Huat Realty Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F | Subsequent Event [Member]
Class of Stock [Line Items]
Preferred stock, shares issued (shares)	75
Proceeds from Issuance of Preferred Stock and Preference Stock, Gross	$ 7,500,000
Issuance of Preferred Stock and Preference Stock, Funding Fee	75,000
Proceeds from Issuance of Preferred Stock and Preference Stock	$ 7,400,000
Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount																	$ 151,000,000	$ 126,000,000		$ 126,000,000
Preferred stock, shares issued (shares)									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																$ 1,100,000			$ 900,000
Forward Contracts [Member]
Class of Stock [Line Items]
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs																600,000			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
Option Matching Rights [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
Class of Warrant or Right, Number of Securities Exercised to Trigger Option Matching Rights																					200,000
Share Purchase Program Schedule, Period One [Member] | Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount																	7,500,000.0	20,000,000		12,000,000
Share Purchase Program Schedule, Period Two [Member] | Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount																	7,500,000.0	27,000,000		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
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount																	$ 10,000,000	15,000,000		20,000,000
Share Purchase Program Schedule, Period Four [Member] | Kien Huat Realty III Limited [Member] | 2018 Kien Huat Preferred Stock Commitment Letter [Member] | Series F
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount																		15,000,000		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
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount																		$ 37,000,000		$ 37,000,000