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Supplemental disclosure of non-cash operating and financing activities: - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
July 2014 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	10,000
Shares Issued, Price Per Share	$ 2.20
Sale of Stock, Price Per Share	$ 8.93
Stock Issued During Period, Shares, Other	7,537
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period	83,775
Sale of Stock, Price Per Share	$ 5.90
Stock Issued During Period, Shares, Other	40,371
Employee Stock Option [Member] \| Minimum [Member]
Shares Issued, Price Per Share	$ 2.20
Employee Stock Option [Member] \| Maximum [Member]
Shares Issued, Price Per Share	$ 5.21
Common Stock Offering [Member]
Warrants Authorized For Issuance To Acquire Common Stock Shares Number		20,313
Warrants Authorized For Issuance To Acquire Common Stock Value		$ 92,000