Segment Reporting - Schedule of Segment Reporting Information by Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2019	May 31, 2018
Segment Reporting Information [Line Items]
Net sales	$ 93,454	$ 100,855
Equity in income of equity investee	1,440	1,814
Interest expense and bank charges	997	1,100
Depreciation and amortization	3,292	2,962
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(5,017)	(3,665)
Operating Segments [Member] | Automotive Electronics [Member]
Segment Reporting Information [Line Items]
Net sales	29,642	39,646
Equity in income of equity investee	1,440	1,814
Interest expense and bank charges	99	245
Depreciation and amortization	187	239
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	450	4,514
Operating Segments [Member] | Consumer Electronics [Member]
Segment Reporting Information [Line Items]
Net sales	63,653	60,904
Equity in income of equity investee	0	0
Interest expense and bank charges	2,398	2,676
Depreciation and amortization	1,141	1,157
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	460	(1,699)
Operating Segments [Member] | Biometrics [Member]
Segment Reporting Information [Line Items]
Net sales	6	228
Equity in income of equity investee	0	0
Interest expense and bank charges	302	905
Depreciation and amortization	785	792
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(2,980)	(4,123)
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Net sales	153	77
Equity in income of equity investee	0	0
Interest expense and bank charges	(1,802)	(2,726)
Depreciation and amortization	1,179	774
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ (2,947)	$ (2,357)