Segment Reporting - Schedule of Segment Reporting Information by Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2019	Nov. 30, 2018
Segment Reporting Information [Line Items]
Net sales	$ 110,112	$ 129,637	$ 293,812	$ 339,359
Equity in income of equity investee	967	1,695	3,672	5,146
Interest expense and bank charges	751	1,174	2,635	3,391
Depreciation and amortization	3,310	2,887	9,897	8,811
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	4,087	6,491	(6,979)	(11,338)
Operating Segments [Member] | Automotive Electronics [Member]
Segment Reporting Information [Line Items]
Net sales	29,985	45,053	86,472	124,705
Equity in income of equity investee	967	1,695	3,672	5,146
Interest expense and bank charges	137	267	354	752
Depreciation and amortization	187	186	567	649
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	92	5,596	869	11,121
Operating Segments [Member] | Consumer Electronics [Member]
Segment Reporting Information [Line Items]
Net sales	79,914	83,927	206,601	213,159
Equity in income of equity investee	0	0	0	0
Interest expense and bank charges	2,560	2,819	7,427	8,218
Depreciation and amortization	1,093	1,137	3,356	3,451
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	9,583	5,597	8,976	(6,535)
Operating Segments [Member] | Biometrics [Member]
Segment Reporting Information [Line Items]
Net sales	138	400	398	812
Equity in income of equity investee	0	0	0	0
Interest expense and bank charges	326	1,033	941	2,919
Depreciation and amortization	783	789	2,352	2,372
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(2,813)	(4,201)	(8,835)	(12,658)
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Net sales	75	257	341	683
Equity in income of equity investee	0	0	0	0
Interest expense and bank charges	(2,272)	(2,945)	(6,087)	(8,498)
Depreciation and amortization	1,247	775	3,622	2,339
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ (2,775)	$ (501)	$ (7,989)	$ (3,266)