Organization and Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2015

Organization and Summary of Significant Accounting Policies [Abstract]

Potentially Dilutive Shares Excluded as Result of Effects Being Anti-dilutive

	Three Months Ended March 31,
	2015		2014
Excluded dilutive shares:
Convertible preferred stock		73,332		73,332
Additional stock issuable related  to conversion of preferred stock		49,782		49,782
Restricted share units		672,000		715,050
Warrants		1,755,330		2,143,584
Stock options		2,595,426		2,324,090
Total dilutive shares		5,145,870		5,305,838