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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
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Dec. 31, 2012
Accounting Policies [Abstract] |
Schedule of inventories, net of reserves |
|  | 2012 |  |  | 2011 |
Chassis |  | $ | 9,952 |  |  | $ | 12,807 |
Raw materials |  |  | 18,856 |  |  |  | 18,725 |
Work in process |  |  | 7,961 |  |  |  | 8,426 |
Finished goods |  |  | 8,276 |  |  |  | 8,282 |
|  | $ | 45,045 |  |  | $ | 48,240
Schedule of property, plant and equipment |
|  | 2012 |  |  | 2011 |
Land and improvements |  | $ | 4,887 |  |  | $ | 4,887 |
Buildings and improvements |  |  | 33,498 |  |  |  | 32,253 |
Machinery and equipment |  |  | 26,959 |  |  |  | 26,212 |
Furniture and fixtures |  |  | 8,242 |  |  |  | 7,971 |
Software costs |  |  | 7,381 |  |  |  | 7,294 |
|  |  | 80,967 |  |  |  | 78,617 |
Less accumulated depreciation |  |  | (48,779 | ) |  |  | (45,497 | )
|  | $ | 32,188 |  |  | $ | 33,120 |
Schedule of accrued liabilities |
|  | 2012 |  |  | 2011 |
Accrued wages, commissions, bonuses and benefits |  | $ | 4,819 |  |  | $ | 6,009 |
Accrued products warranty |  |  | 4,357 |  |  |  | 5,322 |
Accrued income taxes |  |  | 57 |  |  |  | 1,628 |
Other |  |  | 3,125 |  |  |  | 4,425 |
|  | $ | 12,358 |  |  | $ | 17,384 |
Schedule of product warranty liability |
|  | 2012 |  |  | 2011 |
Accrual at beginning of the year |  | $ | 5,322 |  |  | $ | 2,738 |
Provision |  |  | 901 |  |  |  | 3,908 |
Settlement and Other |  |  | (1,866 | ) |  |  | (1,324 | )
Accrual at end of year |  | $ | 4,357 |  |  | $ | 5,322 |

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- Definition Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 2 -Paragraph 6 -Subparagraph a,b,c -Article 5 + Details
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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6398077&loc=d3e12565-110249 + Details
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