Cover [Abstract] Entity Registrant Name Entity Central Index Key Document Type Amendment Flag Pay vs Performance Disclosure Pay vs Performance [Table Text Block] Adjustment To PEO Compensation, Footnote [Text Block] PEO Name Non-PEO NEOs Name PEO Total Compensation Amount PEO Actually Paid Compensation Amount Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Compensation Actually Paid Amount Total Shareholder Return Amount Net (Loss) Compensation Actually Paid vs. Net Income [Text Block]