Supplemental Balance Sheet Information - Additional Information (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012 Segment	Dec. 31, 2011 Segment	Dec. 31, 2010
Supplemental Balance Sheet Information [Line Items]
Depreciation expenses	$ 254,000	$ 247,000
Capital lease assets, gross	11,000	222,000
Accumulated depreciation	1,000	220,000
Amortization expense	956,000	891,000
Capitalized software products, net	3,927,000	3,113,000
Finite life intangible assets, amortization expense	243,000	6,000
Finite lived intangible assets gross	1,025,000	1,020,000
Goodwill	4,483,000	4,483,000	3,630,000
Number of reporting units	2	2
Soundware Sample Libraries
Supplemental Balance Sheet Information [Line Items]
Finite lived intangible assets gross	72,000	72,000
Soundware Sample Libraries \| Minimum
Supplemental Balance Sheet Information [Line Items]
Finite life intangible assets estimated useful lives		3 years
Soundware Sample Libraries \| Maximum
Supplemental Balance Sheet Information [Line Items]
Finite life intangible assets estimated useful lives		7 years
Trademarks
Supplemental Balance Sheet Information [Line Items]
Finite lived intangible assets gross	225,000	220,000
Finite life intangible assets estimated useful lives	20 years	20 years
Trademark Application in Progress
Supplemental Balance Sheet Information [Line Items]
Finite lived intangible assets gross	5,000
Reverse Merger
Supplemental Balance Sheet Information [Line Items]
Goodwill		3,630,000
Acquisitions
Supplemental Balance Sheet Information [Line Items]
Goodwill		853,000
Phone System
Supplemental Balance Sheet Information [Line Items]
Capital lease assets, net	203,000
Capital lease assets, expiration term	2011-04
Repertoire Development
Supplemental Balance Sheet Information [Line Items]
Capitalized software products, net	514,000	491,000
Capitalized software products gross, amortization period	5 years
Finale Software Development
Supplemental Balance Sheet Information [Line Items]
Capitalized software products, net	746,000
Capitalized software products gross, amortization period	3 years
Garritan Sound Library Development
Supplemental Balance Sheet Information [Line Items]
Capitalized software products, net	$ 351,000
Capitalized software products gross, amortization period	6 years

MAKEMUSIC, INC. 10-K