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Value of equity interests (such as common shares, preferred shares, or partnership interest) issued or issuable to acquire the entity.

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Number of shares of equity interests issued or issuable to acquire entity.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Note 10 - Acquisitions and Business Transactions (Details) (USD $)	6 Months Ended	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2014 Selling, General and Administrative Expenses [Member] CNG Fuel Systems [Member]	Jun. 30, 2014 CCTTS [Member]	Mar. 31, 2014 CIT, Inc [Member]
Note 10 - Acquisitions and Business Transactions (Details) [Line Items]
Business Combination, Consideration Transferred				$ 145,100,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares)				83,091
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned				2,000,000
Equity Method Investment, Ownership Percentage			50.00%
Payments to Acquire Equity Method Investments			2,200,000
Research and Development Expense	$ 2,000,000	$ 2,000,000