Note 5 - Business Segments (Details) - Segment Reporting Information (USD $) | 3 Months Ended | |
In Thousands, unless otherwise specified | Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013 |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | $127,959 | $96,136 | ' |
Depreciation and amortization expense | 2,259 | 2,038 | ' |
Operating income (loss) | -3,542 | -6,828 | ' |
Segment assets | 252,469 | 243,424 | 253,282 |
Emergency Response Chassis [Member] | Emergency Response Vehicles [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 13,625 | 17,403 | ' |
Emergency Response Chassis [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 13,625 | 17,403 | ' |
Emergency Response Bodies [Member] | Emergency Response Vehicles [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 22,317 | 17,546 | ' |
Emergency Response Bodies [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 22,317 | 17,546 | ' |
Utilmaster Vehicles [Member] | Delivery and Service Vehicles [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 58,971 | 26,230 | ' |
Utilmaster Vehicles [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 58,971 | 26,230 | ' |
Motorhome Chassis [Member] | Specialty Chassis and Vehicles [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 21,784 | 20,398 | ' |
Motorhome Chassis [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 21,784 | 20,398 | ' |
Other Specialty Vehicles [Member] | Specialty Chassis and Vehicles [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 2,020 | 2,018 | ' |
Other Specialty Vehicles [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 2,020 | 2,018 | ' |
Aftermarket Parts and Assemblies [Member] | Delivery and Service Vehicles [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 6,205 | 5,683 | ' |
Aftermarket Parts and Assemblies [Member] | Specialty Chassis and Vehicles [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 3,037 | 6,858 | ' |
Aftermarket Parts and Assemblies [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 9,242 | 12,541 | ' |
Emergency Response Vehicles [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 35,942 | 34,949 | ' |
Depreciation and amortization expense | 259 | 372 | ' |
Operating income (loss) | -3,664 | -2,562 | ' |
Segment assets | 74,959 | 77,601 | ' |
Delivery and Service Vehicles [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 65,176 | 31,913 | ' |
Depreciation and amortization expense | 1,113 | 587 | ' |
Operating income (loss) | 2,596 | -3,970 | ' |
Segment assets | 82,580 | 72,414 | ' |
Specialty Chassis and Vehicles [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Revenue | 26,841 | 29,274 | ' |
Depreciation and amortization expense | 293 | 427 | ' |
Operating income (loss) | 633 | 1,327 | ' |
Segment assets | 26,728 | 29,677 | ' |
Other Segments [Member] | ' | ' | ' |
Segment Reporting Information [Line Items] | ' | ' | ' |
Depreciation and amortization expense | 594 | 652 | ' |
Operating income (loss) | -3,107 | -1,623 | ' |
Segment assets | $68,202 | $63,732 | ' |