Note 8 - Accrued Liabilities (Detail) - Accrued Liabilities consisted of the following (USD $)	Mar. 31, 2013	Dec. 31, 2012		Mar. 31, 2012
Payroll expenses	$ 356,000			$ 126,000
Bonuses payable	375,000			325,000
Rebates and other	28,000
Uncertain tax position	342,000			342,000
	$ 1,101,000	$ 793,000	[1]	$ 793,000

[1] The condensed consolidated balance sheet as of December 31, 2012 has been prepared using information from the audited consolidated balance sheet as of that date.