Segment Reporting - Schedule of Segment Reporting Information by Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	May 31, 2020	May 31, 2019
Segment Reporting Information [Line Items]
Net sales	$ 71,987	$ 93,454
Equity in income of equity investee	862	1,440
Interest expense and bank charges	853	997
Depreciation and amortization	2,543	3,067
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(7,324)	(5,017)
Operating Segments [Member] | Automotive Electronics [Member]
Segment Reporting Information [Line Items]
Net sales	17,276	29,642
Equity in income of equity investee	862	1,440
Interest expense and bank charges	168	99
Depreciation and amortization	466	187
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(3,110)	450
Operating Segments [Member] | Consumer Electronics [Member]
Segment Reporting Information [Line Items]
Net sales	54,514	63,653
Equity in income of equity investee	0	0
Interest expense and bank charges	2,188	2,398
Depreciation and amortization	965	1,141
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(53)	460
Operating Segments [Member] | Biometrics [Member]
Segment Reporting Information [Line Items]
Net sales	97	6
Equity in income of equity investee	0	0
Interest expense and bank charges	355	302
Depreciation and amortization	86	785
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(2,137)	(2,980)
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Net sales	100	153
Equity in income of equity investee	0	0
Interest expense and bank charges	(1,858)	(1,802)
Depreciation and amortization	1,026	954
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ (2,024)	$ (2,947)