Note 2 - Summary of Significant Accounting Policies (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Number of Inactive Subsidiary	1
Capitalized Computer Software, Net (in Dollars)	$ 4,495	$ 12,358
Capitalized Computer Software, Amortization (in Dollars)	4,869	128,361
Amortization of Intangible Assets (in Dollars)	9,228	8,343
Research and Development Expense (in Dollars)	1,330,000	955,000
Allowance for Doubtful Accounts Receivable, Current (in Dollars)	32,425	25,888
Freight Costs (in Dollars)	35,779	28,009
Shipping, Handling and Transportation Costs (in Dollars)	124,541	103,330
Software [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life	3 years
Software [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life	5 years
Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	5 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	20 years
Independent of External Customer Orders [Member]
Research and Development Expense (in Dollars)	$ 389,000