Note 7 - Investment in Affiliated Company (Detail) - NuGlow’s condensed balance sheets (USD $)	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2010
Assets
Cash	$ 216,534	$ 1,688,945	$ 2,067,262	$ 4,044,309
Accounts receivable, net	284,809	239,773
Inventory	330,989	363,869
NuGlow [Member]
Assets
Cash	4,891	200
Accounts receivable, net	33,807	18,276
Inventory	162,157	275,838
Prepaid expenses and other current assets	8,169	9,513
Total assets	209,024	303,827
Liabilities and members’ equity
Accounts payable and current liabilities	205,785	280,867
Members’ equity and accumulated deficit	3,239	22,960
Total liabilities and members’ equity	$ 209,024	$ 303,827