Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
Income Taxes - Additional Information (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Reconciliation of Effective Income Tax Rate [Line Items]
Tax effect of temporary differences	37.00%	37.00%
Valuation allowance for deferred tax asset	$ 6,060,000	$ 5,690,000
U.S. statutory rate	34.00%
NOL carryforwards subject to limitation on use, cumulative amount	4,841,000
NOL carryforwards subject to limitation on use, annual amount	$ 978,000

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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- Definition

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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- Definition

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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MAKEMUSIC, INC. 10-K