Note 4 - Lines of Credit (Detail) (USD $)	0 Months Ended	1 Months Ended						1 Months Ended
	Jul. 06, 2010	Jul. 31, 2012	Jun. 30, 2012	Jul. 31, 2012 Sterling Credit Facility [Member]	Jul. 06, 2010 Sterling Credit Facility [Member]	Jul. 06, 2010 Cornerstone Bank [Member]	Jun. 30, 2012 Oxford Funding Pty Ltd [Member]	Jun. 30, 2012 Royal Bank of Canada [Member]	Mar. 07, 2011 Mizuho Bank [Member}
Line of Credit Facility, Maximum Borrowing Capacity				$ 6,500,000	$ 5,000,000	$ 1,500,000	$ 1,200,000	$ 732,000
Line of Credit Facility, Expiration Date	Jul. 31, 2013
Line of Credit Facility, Interest Rate Description		prime plus three quarters of one percent (3/4%) per annum
Guarantor Obligations, Current Carrying Value	1,250,000
Line of Credit Facility, Borrowing Capacity, Description				principally 85% of "eligible" domestic accounts receivable less certain reserves				principally 75% of eligible accounts receivable less certain deductions
Debt Instrument, Face Amount									252,000
Debt Instrument, Periodic Payment			$ 3,000
Debt Instrument, Interest Rate, Stated Percentage			0.10%
Debt Instrument, Maturity Date			Feb. 28, 2018