Discontinued Operations Net Income, Assets, and Liabilities (Details) (USD $)	3 Months Ended								12 Months Ended			0 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013	Jan. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Fair value of Vobile Series D shares received at acquisition date									$ 3,714,000	$ 0	$ 0
Net Income from Discontinued Operations on the Consolidated Statements of Operations
Income from discontinued operations, net of income taxes	2,163,000	332,000	308,000	348,000	555,000	665,000	802,000	761,000	3,151,000	2,783,000	2,491,000
Assets and Liabilities Relating to PPT
Total liabilities held for sale	0				3,858,000				0	3,858,000
PPT
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash consideration received												1,000,000
Promissory note received in favor of Rentrak												1,000,000
Number of Vobile Series D Preferred shares received												2,857,143
Aggregate liquidation preference of Vobile Series D shares received												5,000,000
Advance received on balance of net working capital												1,000,000
Fair value of Vobile Series D shares received at acquisition date												3,700,000
Net Income from Discontinued Operations on the Consolidated Statements of Operations
Revenue									26,450,000	45,208,000	42,144,000
Income from operations									1,662,000	4,655,000	4,316,000
Other expense									(36,000)	0	(1,000)
Income before income taxes									1,626,000	4,655,000	4,315,000
Income tax provision									655,000	1,872,000	1,824,000
Net income from operations									971,000	2,783,000	2,491,000
Gain on disposal, net of tax provision of $1,471									2,180,000	0	0
Income from discontinued operations, net of income taxes									3,151,000	2,783,000	2,491,000
Tax provision, gain on disposal									1,471,000
Assets and Liabilities Relating to PPT
Accounts receivable, net of allowances of $0 and $218	0				5,015,000				0	5,015,000
Other current assets	0				167,000				0	167,000
Property, plant and equipment, net of accumulated depreciation of $0 and $1,086	0				261,000				0	261,000
Total assets held for sale	0				5,443,000				0	5,443,000
Accounts payable	0				3,009,000				0	3,009,000
Accrued liabilities	0				1,000				0	1,000
Accrued compensation	0				848,000				0	848,000
Total liabilities held for sale	0				3,858,000				0	3,858,000
Allowance for doubtful accounts	0				218,000				0	218,000
Accumulated depreciation	$ 0				$ 1,086,000				$ 0	$ 1,086,000