Computation Of Net Income (Loss) Per Share Of Common Stock (Components Of Net Income (Loss) Per Basic And Diluted Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Weighted average outstanding shares of unvested restricted stock	83	118
Shares outstanding at end of period	8,684	8,667
Basic weighted average shares outstanding	8,700	8,679
Dilutive effect of stock options/restricted stock units	0	0
Total diluted weighted average shares outstanding	8,700	8,679
Net loss attributable to Qumu	$ (3,928)	$ (3,977)
Net loss per basic and diluted share	$ (0.45)	$ (0.46)
Stock Options And Restricted Stock Units
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Antidilutive securities excluded from computation of earnings per share	1,773	1,979