ClearPoint Neuro, Inc. General form of registration statement for all companies including face-amount certificate companies

Income Taxes (Detail) (USD $)	12 Months Ended
Income Taxes (Detail) (USD $)	Dec. 31, 2009	Dec. 31, 2011
Income Tax Expense (Benefit)	$ 49,250
Operating Loss Carryforwards		$ 48,800,000