Note 9 - Stock-Based Compensation and Other Employee Benefit Plans (Details) (USD $)	0 Months Ended	1 Months Ended			12 Months Ended					1 Months Ended							1 Months Ended	0 Months Ended		1 Months Ended		12 Months Ended	1 Months Ended	12 Months Ended	1 Months Ended				1 Months Ended	12 Months Ended		44 Months Ended	0 Months Ended	1 Months Ended		12 Months Ended		1 Months Ended	0 Months Ended	1 Months Ended			0 Months Ended			1 Months Ended												12 Months Ended		0 Months Ended
	Oct. 02, 2012	Dec. 27, 2013	Dec. 27, 2012	Apr. 27, 2009	Dec. 31, 2013	Dec. 31, 2012	Dec. 28, 2012	Jun. 08, 2010	Dec. 31, 2013 Accrued and Unpaid Obligations [Member] Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Jun. 17, 2013 Number of Shares Per Member [Member] Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Jul. 17, 2013 Vesting Monthly [Member] Chief Financial Officer [Member]	Jul. 02, 2012 $0.34 [Member] Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Jul. 02, 2012 $0.32 [Member] Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Jul. 18, 2012 January 18, 2013 [Member] Third-Party Consultants [Member] 2007 Equity Incentive Plan [Member]	Jul. 18, 2012 July 18, 2013 [Member] Third-Party Consultants [Member] 2007 Equity Incentive Plan [Member]	Jul. 18, 2012 January 18, 2014 [Member] Third-Party Consultants [Member] 2007 Equity Incentive Plan [Member]	Dec. 28, 2012 Selling, General and Administrative Expense [Member] Three Executive Officers [Member]	Jul. 02, 2012 Selling, General and Administrative Expense [Member] Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Apr. 09, 2012 Selling, General and Administrative Expense [Member] Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Dec. 31, 2013 Selling, General and Administrative Expense [Member] Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Apr. 27, 2009 Selling, General and Administrative Expense [Member] Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Dec. 31, 2013 Selling, General and Administrative Expense [Member] Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Dec. 27, 2012 Selling, General and Administrative Expense [Member] Officers and Board of Directors [Member]	Dec. 31, 2013 Selling, General and Administrative Expense [Member] Third-Party Consultants [Member] 2007 Equity Incentive Plan [Member]	Sep. 30, 2013 Selling, General and Administrative Expense [Member] Vendors and Consultants [Member] Accrued and Unpaid Obligations [Member]	Dec. 28, 2012 Selling, General and Administrative Expense [Member] Vendors and Consultants [Member]	Jul. 17, 2013 Selling, General and Administrative Expense [Member] Chief Financial Officer [Member] 2007 Equity Incentive Plan [Member]	Dec. 31, 2013 Selling, General and Administrative Expense [Member] Chief Financial Officer [Member]	Dec. 31, 2013 Selling, General and Administrative Expense [Member] 2007 Equity Incentive Plan [Member]	Dec. 31, 2013 Selling, General and Administrative Expense [Member] Director of International Ventures and Business Development [Member]	Dec. 31, 2012 Selling, General and Administrative Expense [Member] Director of International Ventures and Business Development [Member]	Aug. 31, 2015 Selling, General and Administrative Expense [Member] Director of International Ventures and Business Development [Member]	Oct. 02, 2012 Selling, General and Administrative Expense [Member]	Dec. 28, 2012 Selling, General and Administrative Expense [Member]	Apr. 27, 2009 Selling, General and Administrative Expense [Member]	Dec. 31, 2013 Selling, General and Administrative Expense [Member]	Dec. 31, 2012 Selling, General and Administrative Expense [Member]	Dec. 28, 2012 Three Executive Officers [Member]	Jul. 05, 2012 Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member] Accrued and Unpaid Obligations [Member]	Dec. 31, 2013 Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Sep. 30, 2013 Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Jun. 17, 2013 Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Jul. 02, 2012 Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Jul. 05, 2012 Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Apr. 09, 2012 Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Apr. 27, 2009 Officers and Board of Directors [Member] 2007 Equity Incentive Plan [Member]	Dec. 27, 2012 Officers and Board of Directors [Member]	Jul. 18, 2012 Third-Party Consultants [Member] 2007 Equity Incentive Plan [Member]	Apr. 27, 2009 Third-Party Consultants [Member] 2007 Equity Incentive Plan [Member]	Apr. 27, 2009 Board Members Dennis P. Calvert and Kenneth R. Code [Member] 2007 Equity Incentive Plan [Member]	Sep. 30, 2013 Vendors and Consultants [Member] 2007 Equity Incentive Plan [Member] Accrued and Unpaid Obligations [Member]	Dec. 31, 2013 Vendors and Consultants [Member] Outside of 2007 Plan [Member]	Sep. 30, 2013 Vendors and Consultants [Member] Accrued and Unpaid Obligations [Member]	Dec. 27, 2012 Vendors and Consultants [Member]	Dec. 28, 2012 Vendors and Consultants [Member]	Sep. 30, 2013 Nonemployee Members of the Board [Member] Accrued and Unpaid Obligations [Member]	Jul. 17, 2013 Chief Financial Officer [Member]	Dec. 31, 2013 Outside of 2007 Plan [Member]	Dec. 31, 2012 Outside of 2007 Plan [Member]	Aug. 12, 2011 Director of International Ventures and Business Development [Member]
Note 9 - Stock-Based Compensation and Other Employee Benefit Plans (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)	168,750			691,975						10,000																												1,000,000		1,051,350		40,000	46,667	435,161	300,000	485,100	635,000	200,000	257,035				1,033,825	862,986		675,000	300,000	3,060,175	1,666,736	800,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share)	$ 0.40	$ 0.25		$ 0.55	$ 0.28	$ 0.38																																$ 0.25		$ 0.25		$ 0.28		$ 0.36	$ 0.35	$ 0.50			$ 0.50	$ 0.55	$ 0.30	$ 0.30		$ 0.30		$ 0.30	$ 0.30	$ 0.28	$ 0.41	$ 1.00
Allocated Share-based Compensation Expense																	$ 250,000	$ 15,067	$ 105,000		$ 218,295	$ 48,146	$ 35,000	$ 14,000		$ 43,150	$ 75,000		$ 87,613	$ 76,000	$ 76,000	$ 126,667	$ 2,250	$ 600,000	$ 228,352	$ 892,309	$ 1,096,412		$ 104,439		$ 54,000	$ 11,200											$ 82,706							$ 304,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period																																										1 year
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term		10 years																																								10 years										10 years
Exercise Price, Amount Above Share Price (in Dollars per share)																																														$ 0.20			$ 0.20
Share Price (in Dollars per share)																																						$ 0.25						$ 0.32		$ 0.30		$ 0.28	$ 0.30
Expiration Date Extension			5 years	7 years																																										7 years			7 years
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value	47,250																			262,838					289,471																189,000			152,585			172,000		115,666						215,717		90,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number (in Shares)												6,667	40,000	50,000	50,000	50,000																																50,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price (in Dollars per share)												$ 0.34	$ 0.40	$ 0.75	$ 1.00	$ 1.25																																$ 0.50
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value	45,000								176,813																																						127,000	56,000						172,597
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term																																											1 year																	10 years
Other Liabilities, Current																																																			206,765					135,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares (in Shares)											25,000																																														125,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized																												$ 15,000
Option Indexed to Issuer's Equity, Strike Price (in Dollars per Item)																																															0.30
Fair Value Inputs, Control Premium	30.00%		20.00%																																												20.00%
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)			1,200,000		60,000	214,287	50,000	50,000
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)			0.99		0.30		0.50	0.50