Stockholders' Equity (Details) - USD ($)	Oct. 01, 2018	Jul. 02, 2018	Apr. 02, 2018	Jan. 02, 2018	Oct. 02, 2017	Jul. 03, 2017	Apr. 03, 2017	Nov. 06, 2018
Series B
Class of Stock [Line Items]
Preferred stock dividends		$ 32,087	$ 32,087	$ 32,087	$ 32,087	$ 32,087	$ 32,087
Series B | Subsequent Event
Class of Stock [Line Items]
Preferred stock dividends	$ 32,087
Kien Huat Realty III Limited [Member] | KH 2018 Preferred Stock Commitment Letter [Member] | Series F Preferred Stock [Member] | Subsequent Event
Class of Stock [Line Items]
Share Purchase Agreement, Maximum Purchase Amount								$ 126,000,000