Organization and Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2013

Organization and Summary of Significant Accounting Policies [Abstract]

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

	Three Months Ended March 31,
	2013		2012
Dilutive shares:
Convertible preferred stock		73,332		73,332
Additional stock issuable related to conversion of preferred stock		189,205		-
Restricted share units		764,000		57,900
Warrants		2,743,050		3,035,036
Stock options		1,794,401		1,675,124
Total dilutive shares		5,563,988		4,841,392