Condensed Consolidated Statements of Stockholders' Equity (Deficit) (Unaudited) (USD $) In Thousands, except Share data	Common Stock [Member]	Paid-In Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Non-Controlling Interest (NCI) [Member]	Total
Balance at Dec. 31, 2010	$ 58	$ 134,733	$ (122,483)	$ (13,754)	$ 3,405	$ 1,959
Balance (in shares) at Dec. 31, 2010	5,776,750			1,005,092
Net income (loss) attributed to MTI	0	0	2,386	0	0	2,386
Stock based compensation	0	656	0	0	0	656
Issuance of shares - restricted stock	5	0	0	0	0	5
Issuance of shares - restricted stock (in shares)	483,225
Net loss attributed to NCI	0	0	0	0	(738)	(738)
Equity contribution to NCI	0	0	0	0	647	647
Balance at Dec. 31, 2011	63	135,389	(120,097)	(13,754)	3,314	4,915
Balance (in shares) at Dec. 31, 2011	6,259,975			1,005,092
Net income (loss) attributed to MTI	0	0	(822)	0	0	(822)
Stock based compensation	0	58	0	0	0	58
Net loss attributed to NCI	0	0	0	0	(14)	(14)
Balance at Mar. 31, 2012	$ 63	$ 135,447	$ (120,919)	$ (13,754)	$ 3,300	$ 4,137
Balance (in shares) at Mar. 31, 2012	6,259,975			1,005,092