Line of Credit	9 Months Ended
Sep. 30, 2013
Debt Disclosure [Abstract]
Line of Credit	12. Line of Credit On September 20, 2011, MTI Instruments entered into a working capital line of credit with First Niagara Bank, N.A., pursuant to the Demand Grid Note. MTI Instruments may borrow from time to time up to $400 thousand to support its working capital needs. The note is payable upon demand, and the interest rate on the note is equal to the prime rate with a floor of 4.0% per annum. The note is secured by a lien on all of the assets of MTI Instruments and is guaranteed by the Company. The line of credit was renewed on September 23, 2013. The line of credit is subject to a review date of June 30, 2014. Under the line of credit, MTI Instruments is required to maintain a line balance of $0 for thirty consecutive days during each calendar year. As of September 30, 2013 and December 31, 2012, there were no amounts outstanding under the line of credit.

- Definition

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

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