| Schedule of Segment Reporting Information, by Segment [Table Text Block] |
|
|
Years Ended
December 31,
|
|
|
2013
|
|
2012
|
|
Net sales
|
|
|
|
|
Heavy Duty Diesel Systems
|
$ 32,614
|
|
$ 40,666
|
|
Catalyst
|
25,823
|
|
24,322
|
|
Corporate
|
─
|
|
─
|
|
Eliminations (1)
|
(3,153)
|
|
(4,451)
|
|
Total
|
$ 55,284
|
|
$ 60,537
|
|
Income (loss) from operations
|
|
|
|
|
Heavy Duty Diesel Systems
|
$ 1,018
|
|
$ (602)
|
|
Catalyst
|
1,026
|
|
(1,816)
|
|
Corporate
|
(6,476)
|
|
(5,469)
|
|
Eliminations
|
166
|
|
50
|
|
Total
|
$ (4,266)
|
|
$ (7,837)
|
|
|
|
|
|
|
Depreciation and amortization
|
|
|
|
|
Heavy Duty Diesel Systems
|
$ 1,082
|
|
$ 1,238
|
|
Catalyst
|
204
|
|
192
|
|
Corporate
|
─
|
|
─
|
|
Total
|
$ 1,286
|
|
$ 1,430
|
|
|
|
|
|
|
Capital expenditures
|
|
|
|
|
Heavy Duty Diesel Systems
|
$ 48
|
|
$ 135
|
|
Catalyst
|
94
|
|
101
|
|
Corporate
|
─
|
|
─
|
|
Total
|
$ 142
|
|
$ 236
|
|
|
|
|
|
|
|
December 31,
|
|
Total assets
|
2013
|
|
2012
|
|
Heavy Duty Diesel Systems
|
$ 42,181
|
|
$ 40,182
|
|
Catalyst
|
41,687
|
|
37,637
|
|
Discontinued operations
|
1,132
|
|
1,172
|
|
Eliminations
|
(56,631)
|
|
(43,550)
|
|
Total
|
$ 28,369
|
|
$ 35,441
|
|
| Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] |
|
|
Years Ended
December 31,
|
|
|
2013
|
|
2012
|
|
United States
|
$ 26,659
|
|
$ 25,895
|
|
Canada
|
23,913
|
|
22,152
|
|
United Kingdom
|
951
|
|
6,691
|
|
Sweden
|
3,761
|
|
5,799
|
|
Total
|
$ 55,284
|
|
$ 60,537
|
|
| Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] |
|
|
Fixed Assets
|
|
Total Assets
|
|
|
2013
|
|
2012
|
|
2013
|
|
2012
|
|
United States
|
$ 609
|
|
$ 616
|
|
$ 12,371
|
|
$ 15,353
|
|
Canada
|
803
|
|
1,278
|
|
12,874
|
|
15,681
|
|
United Kingdom
|
─
|
|
─
|
|
741
|
|
1,392
|
|
Sweden
|
47
|
|
106
|
|
2,383
|
|
3,015
|
|
Total
|
$ 1,459
|
|
$ 2,000
|
|
$ 28,369
|
|
$ 35,441
|
|