Summary of the Company's manufacturing operations by geographic segment is presented below (In thousands) (Details) (USD $)	Mar. 31, 2014	Mar. 31, 2013
United States (Corpus Christi)
Customer sales	$ 7,946
Customer sales	7,946
Intercompany sales	57
Total Net Sales	8,003
Location income	55
Location assets	18,337
Customer sales		7,712
Intercompany sales		56
Total Net Sales		7,768
Location income (loss)		47
Location assets		20,690
Europe (TPT)
Customer sales	2,715
Customer sales	2,715
Intercompany sales	1,835
Total Net Sales	4,550
Location income	544
Location assets	11,608
Customer sales		2,478
Intercompany sales		1,675
Total Net Sales		4,153
Location income (loss)		219
Location assets		10,870
Asia (TMM)
Customer sales	2,471
Customer sales	2,471
Intercompany sales	643
Total Net Sales	3,114
Location income	44
Location assets	23,498
Customer sales		1,237
Intercompany sales		2,333
Total Net Sales		3,570
Location income (loss)		(398)
Location assets		23,568
Inter-Company Eliminations
Intercompany sales	(2,535)
Total Net Sales	(2,535)
Location income	64
Intercompany sales		(4,064)
Total Net Sales		(4,064)
Location income (loss)		57
Consolidated
Customer sales	13,132
Customer sales	13,132
Total Net Sales	13,132
Location income	707
Location assets	53,443
Customer sales		11,427
Total Net Sales		11,427
Location income (loss)		(75)
Location assets		$ 55,128