Short-term Debt (Details Narrative) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Line of Credit Facility [Line Items]
Outstanding borrowings	$ 19,200	$ 17,600
Maximum Borrowing Rate Accounts Receivable [Member]
Line of Credit Facility [Line Items]
Borrowing available rate by account	50.00%
Inventory Borrowing Limit 1 [Member]
Line of Credit Facility [Line Items]
Inventory Borrowing maximum	1,500
Inventory Borrowing Limit 2 [Member]
Line of Credit Facility [Line Items]
Inventory Borrowing maximum	2,000
BFI [Member]
Line of Credit Facility [Line Items]
Maximum borrowing limit	7,000
Maximum availability	4,800	5,700
Outstanding borrowings	2,200	4,600
Remaining unused borrowing availability	2,600	1,100
Minimum monthly interest charge	2
Maximum other indebtedness pursuant to Line of Credit agreement	$ 100
Interest rate	5.75%
US Accounts Receivable [Member]
Line of Credit Facility [Line Items]
Borrowing available rate by account	80.00%
Canada Accounts Receivable [Member]
Line of Credit Facility [Line Items]
Borrowing available rate by account	80.00%
Inventories [Member]
Line of Credit Facility [Line Items]
Borrowing available rate by account	40.00%