Acquisitions (Details) (USD $)	12 Months Ended			0 Months Ended	12 Months Ended					12 Months Ended	0 Months Ended	1 Months Ended		0 Months Ended					12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012	Aug. 16, 2013 iTVX, Inc.	Mar. 31, 2014 iTVX, Inc.	Mar. 31, 2014 iTVX, Inc. Minimum	Mar. 31, 2014 iTVX, Inc. Maximum	Mar. 31, 2014 iTVX, Inc. Selling, general and administrative expenses	Aug. 16, 2013 iTVX, Inc. Fair Value, Inputs, Level 3	Mar. 31, 2014 iTVX, Inc. Fair Value, Inputs, Level 3 Selling, general and administrative expenses	Jan. 03, 2011 Media Salvation	Feb. 28, 2013 Media Salvation	Jan. 31, 2012 Media Salvation	Jan. 31, 2012 Media Salvation Cash payment	Jan. 03, 2011 Media Salvation Cash payment	Jan. 03, 2011 Media Salvation Stock consideration	Feb. 28, 2013 Media Salvation Common Stock	Jan. 31, 2012 Media Salvation Common Stock	Mar. 31, 2014 Common Stock iTVX, Inc.	Mar. 31, 2013 Common Stock Media Salvation	Mar. 31, 2012 Common Stock Media Salvation	Mar. 31, 2014 Accrued compensation iTVX, Inc. Fair Value, Inputs, Level 3
Business Acquisition [Line Items]
Effective date of acquisition				Aug. 16, 2013
Name of acquired entity				iTVX
Description of acquired entity				provider of branded entertainment analytics, insight and research
Total purchase price as of acquisition date				$ 2,800,000
Initial consideration transferred				800,000
Cash paid for acquisition				383,000							250,000	500,000		250,000
Common stock used to pay for acquisition				405,000
Common stock issued related to acquisition (shares)																			17,209	33,000	33,000
Contingent consideration earnout period in years				2 years
Undiscounted amount of contingent consideration, range of outcomes, low									500,000
Undiscounted amount of contingent consideration, range of outcomes, high									7,000,000
Contingent consideration liability									2,000,000						750,000							4,700,000
Contingent consideration percentage of payment paid in cash				25.00%
Contingent consideration percentage of payment paid in stock				75.00%
Fair value remeasurement of contingent consideration liability										2,700,000
Contingent consideration fixed stock price				$ 21.795
Intangible assets acquired				900,000
Acquired intangible assets, useful life						1 year	6 years
Goodwill	7,034,000	4,998,000	5,101,000	1,900,000
Net tangible assets acquired				300,000
Deferred tax liabilities acquired				(300,000)
Reduction in tax valuation allowance, tax benefit recorded	3,100,000	10,100,000	3,928,000		(300,000)
Revenue recognized since acquisition date					700,000
Net losses since acquisition date					900,000
Acquisition costs								200,000
Amortization of intangibles								100,000
Business acquisition, contingent consideration, potential fair value of shares to be issued																2,000,000
Common stock issued upon satisfaction of contingency, in shares																	33,417	33,417
Value of common stock issued upon satisfaction of contingency												$ 1,000,000	$ 1,000,000