Note 7 - Equity Investments in and Advances to Unconsolidated Affiliate (Details) (USD $)	3 Months Ended		9 Months Ended					9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Manufacturing Coated Material And Sewing Proprietary Disposable Protective Apparel [Member] India [Member] sqm	Sep. 30, 2013 Sewing Proprietary Disposable Protective Apparel [Member] India [Member] sqm	Sep. 30, 2013 Long Term Advance For Materials [Member] Alpha ProTech Engineered Products [Member]	Sep. 30, 2013 Unconsolidated Affiliate [Member]	Sep. 30, 2012 Unconsolidated Affiliate [Member]	Sep. 30, 2013 Alpha ProTech Engineered Products [Member]	Dec. 31, 2005 Alpha ProTech Engineered Products [Member]	Sep. 30, 2013 Maple Industries And Associates [Member]	Dec. 31, 2005 Maple Industries And Associates [Member]	Sep. 30, 2013 Harmony [Member]	Sep. 30, 2013 India [Member] sqft
Note 7 - Equity Investments in and Advances to Unconsolidated Affiliate (Details) [Line Items]
Equity Method Investment, Ownership Percentage											41.66%		58.34%
Equity Method Investment, Aggregate Cost	$ 2,670,000		$ 2,670,000							$ 508,000		$ 708,000		$ 1,450,000
Number of Real Estate Properties															3
Area of Real Estate Property (in Square Feet)					71,500	16,000									102,000
Area of Real Estate Property (in Square Meters)					71,500	16,000									102,000
Equity Method Investments	1,450,000		1,450,000											508,000
Advances on Inventory Purchases							942,000
Expense To Acquire Inventory	4,140,000	5,843,000	9,132,000	13,669,000
Income (Loss) from Equity Method Investments	101,000	84,000	172,000	402,000				172,000	402,000
Cumulative Equity In Income of Unconsolidated Affiliate								2,239,000
Repayments Of Advance			942,000
Proceeds from Equity Method Investment, Dividends or Distributions			$ 77,000