Stockholders' Equity (Private Placements of Securities) (Details) - USD ($)		12 Months Ended
	Apr. 06, 2015	Dec. 31, 2016	Dec. 31, 2015
Equity Offering [Line Items]
Proceeds from issuance of private placement		$ 1,056,147	$ 2,000,000
TFG Radiant [Member]
Equity Offering [Line Items]
Percent of common stock outstanding		1.00%
Common stock [Member] | Investor [Member]
Equity Offering [Line Items]
Proceeds from issuance of private placement	$ 2,000,000
Private placement [Member] | Common stock [Member] | Investor [Member]
Equity Offering [Line Items]
Secondary public offering, shares (in shares)	100,000