Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Significant Accounting Policies (Details Textual)

Organization and Summary of Significant Accounting Policies (Details Textual) (USD $)	3 Months Ended				12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2012 Collaborative Arrangement Co-promotion [Member]
Schedule of Organization and Summary of Significant Accounting Policies [Line Items]
Non-Cash Gain (Loss) on Changes in Fair Value of Warrants	$ (864,000)	$ (3,045,000)
Revenue Recognition, Milestone Method, Revenue Recognized					15,000,000
Cash and Cash Equivalents, at Carrying Value	$ 10,239,000	$ 17,606,000	$ 11,798,000	$ 18,102,000

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References + Details