Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line Two Entity Address, Address Line Two Entity File Number Entity File Number Cover [Abstract] Title of 12(b) Security Title of 12(b) Security Local Phone Number Local Phone Number Class of Stock [Domain] Class of Stock [Domain] Soliciting Material Soliciting Material Entity Address, Address Line One Entity Address, Address Line One Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Entity Address, State or Province Entity Address, State or Province Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Preferred Stock Purchase Rights Preferred Stock Purchase Rights [Member] Preferred Stock Purchase Rights Common Stock, par value $0.00001 Common Stock, par value $0.00001 Common Stock, par value $0.00001 Written Communications Written Communications Trading Symbol Trading Symbol City Area Code City Area Code Statement [Table] Statement [Table] Warrants to purchase Common Stock Warrants to purchase Common Stock [Member] Warrants to purchase Common Stock No Trading Symbol Flag No Trading Symbol Flag Document Period End Date Document Period End Date Warrants to purchase Common Stock Warrants to purchase Common Stock Two [Member] Warrants to purchase Common Stock Two Amendment Flag Amendment Flag Pre-commencement Issuer Tender Offer Pre-commencement Issuer Tender Offer Entity Address, City or Town Entity Address, City or Town Statement [Line Items] Statement [Line Items] Current Fiscal Year End Date Current Fiscal Year End Date Security Exchange Name Security Exchange Name Document Type Document Type Class of Stock [Axis] Class of Stock [Axis] Pre-commencement Tender Offer Pre-commencement Tender Offer Entity Central Index Key Entity Central Index Key Entity Emerging Growth Company Entity Emerging Growth Company