Note 8 - Equipment Leasing	12 Months Ended
Dec. 31, 2014
Leases, Operating [Abstract]
Operating Leases of Lessor Disclosure [Text Block]	(8) EQUIPMENT LEASING In our Thermal Products and Mechanical Products segments, we lease certain of our equipment to customers under non-cancellable operating leases. These leases generally have an initial term of six months. We recognize revenue for these leases on a straight-line basis over the term of the lease. The total cost of leased equipment at December 31, 2014 and 2013 was $692 and $561, respectively, and is included in Machinery and Equipment on our balance sheet. As of December 31, 2014 and 2013, accumulated depreciation for leased equipment was $167 and $138, respectively. As of December 31, 2014, total minimum payments receivable under non-cancellable operating leases were $151. All of these payments will be received in 2015.

- Definition

The entire disclosure for operating leases of a lessor. This may include a general description of lessor's leasing arrangements for operating leases, including the basis on which contingent rental payments are determined, the existence and terms of renewal or purchase options and escalation clauses, restrictions imposed by lease arrangements, such as those concerning dividends, additional debt, and further leasing, rent holidays, rent concessions, or leasehold improvement incentives and unusual provisions or conditions.

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