Organization and Summary of Significant Accounting Policies (Potentially Dilutive Shares Excluded as Result of Effects Being Anti-dilutive) (Details)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dilutive shares	5,145,870	5,305,838
Convertible preferred stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dilutive shares	73,332	73,332
Additional stock issuable related to conversion of preferred stock (series A - B) [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dilutive shares	49,782	49,782
Restricted share units [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dilutive shares	672,000	715,050
Warrants [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dilutive shares	1,755,330	2,143,584
Stock options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dilutive shares	2,595,426	2,324,090