Warrants (Narrative) (Details) - USD ($)	1 Months Ended	3 Months Ended
	Jan. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Class of Warrant or Right [Line Items]
Exercise price of warrants		$ 22.86
Warrants issued during period		0
Warrants exercised during period		0
Novolytics Ltd [Member]
Class of Warrant or Right [Line Items]
Cash consideration for assets acquired	$ 205,000
Number of securities called by warrants	17,000
Novolytics Ltd [Member] | Research and development expense [Member]
Class of Warrant or Right [Line Items]
Value of warrants issued			$ 204,000
Fair value of assets acquired			$ 409,000