Note 8 - Acquisition of Business (Details) - Summary of Assets and Liabilities Assumed (USD $)	Sep. 30, 2013	Jun. 30, 2013
Summary of Assets and Liabilities Assumed [Abstract]
Accounts receivable		$ 4,672,000
Prepaid expenses and other current assets		1,096,000
Inventories		10,374,000
Property, plant and equipment		4,284,000
Identifiable intangible assets		18,400,000
Goodwill	5,092,000	5,092,000
Total assets		43,918,000
Other current liabilities		2,680,000
Future contingent liabilities	7,200,000	7,200,000
Total liabilities		$ 9,880,000