Litigation (Details Narrative) (USD $)	3 Months Ended				18 Months Ended				0 Months Ended	1 Months Ended	3 Months Ended	0 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014 Stockholder Litigation	Mar. 31, 2013 Stockholder Litigation	Mar. 31, 2014 Stockholder Litigation	Dec. 31, 2013 Stockholder Litigation	Mar. 31, 2014 Stockholder Litigation Accrued expenses	Mar. 31, 2014 Stockholder Litigation Prepaid expenses and other current assets	Oct. 24, 2013 The Estate of ReiJane Huai	Oct. 31, 2012 Directors and officers liability insurance, layer 1 Stockholder Litigation	Dec. 31, 2012 Directors and officers liability insurance, layer 1 Stockholder Litigation	Jul. 31, 2013 Directors and officers liability insurance, layer 2 Stockholder Litigation
Loss Contingencies [Line Items]
Estimated litigation liability						$ 5,000,000	$ 300,000
Company’s Directors and Officers (“D&O”) Insurance Agreement			Company entered into an agreement with the carrier of the first $5.0 million layer of the Company’s D&O insurance. Pursuant to this agreement, the Company accepted a payment of $3.9 million from the first layer insurance carrier in satisfaction of the carrier’s obligations to the Company under the first layer D&O insurance policy. In addition, as part of the October 2012 agreement with the carrier, the Company agreed to indemnify the carrier of the first layer of D&O insurance against potential claims by certain named insured persons under the first layer D&O insurance policy. The Company cannot predict the likelihood or the outcome of any such claims by the named insureds.
Insurance arrangement										5,000,000		5,000,000
Accrual for the settlement of the class action and derivative lawsuits											1,100,000
Percentage of losses insurer agreed to pay (maximum)												75.00%
Insurance coverage floor												5,250,000
Litigation settlement costs the company is responsible for											1,100,000
Legal fees					7,400,000
Insurance recoveries recorded since inception					5,500,000
Insurance recoveries reimbursed since inception					5,300,000					3,900,000
Insurance settlement receivable								200,000
Reduction of investigation, litigation and settlement related costs	111,711	114,066	100,000	100,000
Voting stock the Company believes to be owned by the Estate (more than 10%)									10.00%
Damages sought by Company									$ 10,000,000