Note 4 - Stock-Based Compensation (Details) (USD $)	6 Months Ended	1 Months Ended	6 Months Ended				12 Months Ended		3 Months Ended		6 Months Ended		12 Months Ended	6 Months Ended	12 Months Ended	3 Months Ended	6 Months Ended		12 Months Ended			3 Months Ended	6 Months Ended		6 Months Ended
	Jun. 30, 2014	May 31, 2005 Non Qualified Stock Options [Member] Minimum [Member] 2005 Plan [Member]	Jun. 30, 2013 Non Qualified Stock Options [Member] Minimum [Member] The 2013 Plan [Member]	Jun. 30, 2014 Employee Stock Option [Member] Initial Grant [Member] Non Employee Directors [Member]	Jun. 30, 2014 Employee Stock Option [Member] Non Employee Directors [Member]	Jun. 30, 2014 Employee Stock Option [Member] Board of Directors Chairman [Member]	Dec. 31, 2013 Employee Stock Option [Member] Employees [Member]	Jun. 30, 2013 Employee Stock Option [Member] The 2013 Plan [Member]	Jun. 30, 2014 Employee Stock Option [Member]	Jun. 30, 2013 Employee Stock Option [Member]	Jun. 30, 2014 Employee Stock Option [Member]	Jun. 30, 2013 Employee Stock Option [Member]	Dec. 31, 2013 Employee Stock Option [Member]	Jun. 30, 2013 Restricted Stock [Member] Garden State Securities and JFS Investments [Member]	Dec. 31, 2013 Restricted Stock [Member] Garden State Securities and JFS Investments [Member]	Jun. 30, 2013 Restricted Stock [Member]	Jun. 30, 2013 Restricted Stock [Member]	Jun. 30, 2014 Annually [Member] Board of Directors Chairman [Member]	Dec. 31, 2013 Quarterly [Member] Non Employee Directors [Member]	Dec. 31, 2013 Non Employee Directors [Member]	Dec. 31, 2013 Employees [Member]	Jun. 30, 2014 2005 Plan [Member]	Jun. 30, 2014 2005 Plan [Member]	Jun. 30, 2014 The 2013 Plan [Member]	Jun. 30, 2014 Employee Stock Purchase Plan 2000 [Member]
Note 4 - Stock-Based Compensation (Details) [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent		85.00%	85.00%																						95.00%
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized								11,382,600																	294,461
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				3 years			3 years												1 year
Share Based Compensation Arrangement by Share Based Payment Award, Number of Equal Quarterly Installments for Award Vesting					4	4
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	0																	45,000		589,000	5,050,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period	2,512,000																					2,512,000	2,512,000
Share Based Compensation Arrangement by Share Based Payment Award Options Cancelled in Period													502,000
Share-based Goods and Nonemployee Services Transaction, Quantity of Securities Issued															416,668
Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options Lock In Period															6 months
Allocated Share-based Compensation Expense (in Dollars)									$ 48,000	$ 11,000	$ 97,000	$ 22,000		$ 56,000		$ 0	$ 55,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant																						3,829,000	3,829,000	6,266,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options (in Dollars)									$ 255,000		$ 255,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition											1 year 120 days
Period of Intervals for Subscription of Shares Common Stock																									6 months
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate																									10.00%