Note 12 - Subsequent Events	9 Months Ended
Sep. 30, 2014
Subsequent Events [Abstract]
Subsequent Events [Text Block]	12. Subsequent Events On October 1, 2014, the Company acquired MAC, Inc. and its related entities (MAC). MAC, with approximately 100 employees, is a leading manufacturer of premium-grade commercial and industrial mobile heaters within the United States and Canada. The acquisition expands the Company’s portfolio of mobile power products and provides increased access to the oil & gas market.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

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