Organization and Business - Narrative - Private Offering (Details) - USD ($)	9 Months Ended	12 Months Ended
	Jul. 09, 2010	Dec. 31, 2018	Jun. 30, 2018	Mar. 31, 2018	Mar. 13, 2018	Oct. 13, 2009
Common Stock [Member]
Class of Stock [Line Items]
Share price (in dollars per share)		$ 9.24	$ 10.24	$ 10.24	$ 9.24
Private Offering [Member]
Class of Stock [Line Items]
Proceeds from issuance of common stock		$ 2,000,000
Private Offering [Member] | Common Stock [Member]
Class of Stock [Line Items]
Values of shares in private offering, up to						$ 94,000,000
Share price (in dollars per share)						$ 9.4
Issuance of common stock (in shares)	637,279
Proceeds from issuance of common stock	$ 5,844,325