Income Taxes Schedule of Effective Tax Rate Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2017	Feb. 29, 2016	Feb. 28, 2015
Schedule of Effective Tax Rate Before Income Taxes [Abstract]
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate	$ (504)	$ (2,729)	$ 243
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	35.00%	35.00%	35.00%
Income Tax Reconciliation, State and Local Income Taxes	$ (752)	$ 1,100	$ 891
Effective Income Tax Rate Reconciliation, State and Local Income Taxes	52.20%	(14.00%)	127.90%
Income Tax Reconciliation, Change in Deferred Tax Assets Valuation Allowance	$ 5,895	$ 1,344	$ 4,330
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance	(408.70%)	(17.20%)	622.00%
Income Tax Reconciliation, Tax Contingencies	$ (5,974)	$ 101	$ (6,076)
Effective Income Tax Rate Reconciliation, Tax Contingencies	414.30%	(1.30%)	(872.80%)
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Amount	$ 2,668	$ 1,183	$ 0
Effective Income Tax Rate Reconciliation, Noncontrolling Interest Income (Loss), Percent	(185.00%)	(15.20%)	0.00%
Effective Income Tax Reconciliation, Bargain Purchase Gain	$ 0	$ (1,638)	$ 0
Effective income tax rate reconciliation, bargain purchase gain	0.00%	21.00%	0.00%
Income Tax Reconciliation, Foreign Income Tax Rate Differential	$ 330	$ (309)	$ 1,503
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential	(22.90%)	3.90%	215.90%
Income Tax Reconciliation, Other Adjustments	$ 274	$ (442)	$ (1,371)
Effective Income Tax Rate Reconciliation, Other Adjustments	(19.00%)	5.70%	(196.90%)
Effective Income Tax Rate Reconciliation, Currency Devaluation	$ 1,413	$ 0	$ (2,486)
Effective Income Tax Rate Reconciliation	(98.00%)	0.00%	357.10%
Income Tax Reconciliation, Change in Enacted Tax Rate	$ (110)	$ 172	$ 198
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate	7.60%	(2.20%)	28.40%
Income Tax Reconciliation, Tax Credits, Research	$ (625)	$ (453)	$ (272)
Effective Income Tax Rate Reconciliation, Tax Credits, Research	43.30%	5.80%	(39.10%)
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	$ (856)	$ (64)	$ (294)
Effective Income Tax Rate Reconciliation, Tax Credit, Percent	(59.30%)	(0.80%)	(42.20%)
Income Tax Expense (Benefit), Continuing Operations	$ 1,759	$ (1,735)	$ 1,638
Effective Income Tax Rate, Continuing Operations	(121.90%)	22.30%	235.30%