Note 5 (Detail) - Inventory Detail (USD $)	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Inventory:
Raw materials	$ 2,834,000	$ 2,815,000	$ 3,544,000
In transit finished goods	1,034,000	1,379,000	1,094,000
Finished goods	5,466,000	4,915,000	5,720,000
Total	$ 9,334,000	$ 9,109,000	$ 10,358,000