Investment Securities (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2014	Nov. 30, 2013	Feb. 28, 2014		Feb. 12, 2013
Gain (Loss) on Investments [Line Items]
Foreign Currency Transaction Gain (Loss), before Tax	$ 111	$ (335)	$ 476	$ (504)
Trading Securities, Fair Value Disclosure	4,489		4,489		4,234
Available-for-sale Securities, Fair Value Disclosure	3		3		3
Other investment at cost	8,953		8,953		9,865	[1]
Long Term Investments, Cost Basis	13,442		13,442		14,099
Long Term Investments, Unrealized Holding Gain (Loss)	3		3		3
Investments, Fair Value Disclosure	13,445		13,445		14,102
Equity Method Investment, Ownership Percentage	20.00%		20.00%
Other than Temporary Impairment Losses, Investments, Available-for-sale Securities	0	0	0	0
Cost Method Investments	7,985		7,985
Proceeds from Loans	250
Bliss-tel [Member]
Gain (Loss) on Investments [Line Items]
Available-for-sale Securities, Fair Value Disclosure	0		0
Investment Owned, Balance, Shares	72,500,000		72,500,000
Deferred Compensation, Share-based Payments [Member]
Gain (Loss) on Investments [Line Items]
Trading Securities, Cost	4,489		4,489		4,234
Trading Securities, Fair Value Disclosure	4,489		4,489		4,234
Trading Securities, Holding Gain (Loss)	0		0		0
Available-for-sale Securities [Member] | Cellstar [Member]
Gain (Loss) on Investments [Line Items]
Available-for-sale Securities, Amortized Cost Basis	0		0		0
Available-For-Sale Securities, Gross Unrealized Gains (Losses)	3		3		3
Available-for-sale Securities, Fair Value Disclosure	3		3		3
Held-to-maturity Securities [Member]
Gain (Loss) on Investments [Line Items]
Held-to-maturity Securities, Amortized Cost before Other than Temporary Impairment	968		968		7,640
Held-to-maturity Securities, Unrecognized Holding Gain (Loss)	0		0		0
Held-to-maturity Securities, Fair Value	968		968		7,640
Trading Securities [Member]
Gain (Loss) on Investments [Line Items]
Marketable Securities, Cost Basis	5,457		5,457		11,874
Marketable Securities, Unrealized Holding Gain (Loss	3		3		3
Marketable Securities	5,460		5,460		11,877
Other Long-term Investments [Member]
Gain (Loss) on Investments [Line Items]
Other Long Term Investment, Cost Basis	7,985		7,985		2,225
Other Long Term Investment, Unrealized Holding Gain (Loss)	0		0		0
Other investment at cost	7,985		7,985		2,225
Venezuelan bolívar fuerte
Gain (Loss) on Investments [Line Items]
Foreign Currency Exchange Rate, Translation	6.3		6.3				4.3
Rx Networks [Member]
Gain (Loss) on Investments [Line Items]
Cost Method Investments	1,985		1,985
Cost Method Investment, Owndership Percentage	15.30%		15.30%
Eyelock [Member]
Gain (Loss) on Investments [Line Items]
Cost Method Investments	3,000		3,000
Cost Method Investment, Owndership Percentage	3.50%		3.50%
Eye See 360 [Member]
Gain (Loss) on Investments [Line Items]
Cost Method Investments	$ 3,000		$ 3,000
Cost Method Investment, Owndership Percentage	6.50%		6.50%

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