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 Preferred Stock Purchase Rights Preferred Stock Purchase Rights [Member] Preferred Stock Purchase Rights 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 Written Communications Written Communications Trading Symbol Trading Symbol City Area Code City Area Code Statement [Table] Statement [Table] No Trading Symbol Flag No Trading Symbol Flag Common Stock, par value $0.00001 Common Stock, par value $0.00001 Common Stock, par value $0.00001 Document Period End Date Document Period End Date 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] Warrants to purchase Common Stock Warrants to purchase Common Stock Two [Member] Warrants to purchase Common Stock Two Security Exchange Name Security Exchange Name Warrants to purchase Common Stock Warrants to purchase Common Stock [Member] Warrants to purchase Common Stock 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