Note 8 - Stock-Based Compensation and Other Employee Benefit Plans (Details) (USD $) | 9 Months Ended | 0 Months Ended | 1 Months Ended | 0 Months Ended | 1 Months Ended | 9 Months Ended | 0 Months Ended | 9 Months Ended | 1 Months Ended | 9 Months Ended | | | 1 Months Ended | 9 Months Ended | 0 Months Ended | 1 Months Ended | | | | | 0 Months Ended | 1 Months Ended | | 1 Months Ended | 9 Months Ended | 1 Months Ended | | 0 Months Ended | 9 Months Ended | 0 Months Ended | 1 Months Ended | 9 Months Ended |
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 29, 2014 | Mar. 31, 2014 | Sep. 29, 2014 | Sep. 30, 2013 | Jun. 23, 2014 | Mar. 31, 2014 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2013 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Jun. 23, 2014 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 29, 2014 | Mar. 31, 2014 | Mar. 31, 2014 | Jun. 17, 2013 | Sep. 30, 2014 | Sep. 30, 2013 | Sep. 29, 2014 | Jun. 23, 2014 | Mar. 31, 2014 | Sep. 29, 2014 | Jun. 24, 2014 | Mar. 31, 2014 | Sep. 30, 2013 | Sep. 29, 2014 | Sep. 30, 2013 | Jun. 23, 2014 | Mar. 31, 2014 | Jun. 23, 2014 | Jun. 23, 2014 | Sep. 30, 2013 | Jun. 23, 2014 | Sep. 30, 2013 | Sep. 30, 2013 | Sep. 30, 2013 | Sep. 29, 2014 | Feb. 20, 2014 | Sep. 30, 2014 | Sep. 30, 2013 |
Selling, General and Administrative Expenses [Member] | Selling, General and Administrative Expenses [Member] | Selling, General and Administrative Expenses [Member] | Selling, General and Administrative Expenses [Member] | Selling, General and Administrative Expenses [Member] | Selling, General and Administrative Expenses [Member] | Selling, General and Administrative Expenses [Member] | Selling, General and Administrative Expenses [Member] | Selling, General and Administrative Expenses [Member] | Selling, General and Administrative Expenses [Member] | Selling, General and Administrative Expenses [Member] | Selling, General and Administrative Expenses [Member] | Selling, General and Administrative Expenses [Member] | Selling, General and Administrative Expense [Member] | Board of Directors [Member] | Board of Directors [Member] | Board of Directors [Member] | Board of Directors [Member] | Board of Directors [Member] | Board of Directors [Member] | Board of Directors [Member] | Board of Directors [Member] | Board of Directors [Member] | Board of Directors [Member] | Board of Directors [Member] | Vendors and Consultants [Member] | Vendors and Consultants [Member] | Vendors and Consultants [Member] | Vendors and Consultants [Member] | Vendors and Consultants [Member] | Vendors and Consultants [Member] | Vendors and Consultants [Member] | Vendors and Consultants [Member] | Board of Directors Chairman [Member] | Chief Financial Officer [Member] | Chief Financial Officer [Member] | Chief Financial Officer [Member] | Nonemployee Members of the Board [Member] | Nonemployee Members of the Board [Member] | Consultants [Member] | Holder of a Stock Option [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] |
Board of Directors [Member] | Board of Directors [Member] | Board of Directors [Member] | Vendors and Consultants [Member] | Vendors and Consultants [Member] | Vendors and Consultants [Member] | Vendors and Consultants [Member] | Chief Financial Officer [Member] | Chief Financial Officer [Member] | Nonemployee Members of the Board [Member] | Consultants [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Board of Directors [Member] | Number of Shares Per Member [Member] | Number of Shares Per Member [Member] | Accrued and Unpaid Obligations [Member] | Accrued and Unpaid Obligations [Member] | Accrued and Unpaid Obligations [Member] | 2007 Equity Incentive Plan [Member] | 2007 Equity Incentive Plan [Member] | 2007 Equity Incentive Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Accrued and Unpaid Obligations [Member] | Accrued and Unpaid Obligations [Member] | Accrued and Unpaid Obligations [Member] | Accrued and Unpaid Obligations [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Accrued and Unpaid Obligations [Member] | Vesting Monthly [Member] | Portion of Options Vested [Member] | Outside of the 2007 Plan [Member] | Accrued and Unpaid Obligations [Member] | Outside of the 2007 Plan [Member] | Portion of Options Vested [Member] | Outside of the 2007 Plan [Member] | | | |
2007 Equity Incentive Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | | | Outside of the 2007 Plan [Member] | 2007 Equity Incentive Plan [Member] | 2007 Equity Incentive Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | | | | | | | | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | Outside of the 2007 Plan [Member] | | | | | Outside of the 2007 Plan [Member] | | Outside of the 2007 Plan [Member] | | Outside of the 2007 Plan [Member] | | Outside of the 2007 Plan [Member] | | | | |
Note 8 - 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) | 40,000 | 40,000 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 10,000 | 10,000 | ' | ' | 156,888 | ' | 40,000 | 40,000 | 143,617 | 103,847 | ' | ' | ' | ' | ' | 193,511 | 1,033,825 | 148,848 | 78,488 | ' | ' | ' | 300,000 | ' | 675,000 | ' | 41,875 | 40,000 | 1,165,199 | 2,008,825 |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '1 year | '1 year | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | '10 years | '10 years | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share) | $0.63 | $0.28 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $0.43 | $0.28 | $0.63 | ' | $0.47 | $0.65 | ' | ' | ' | ' | ' | $0.47 | $0.30 | $0.65 | $0.43 | ' | ' | ' | $0.63 | ' | $0.30 | ' | ' | $0.35 | ' | $0.30 |
Allocated Share-based Compensation Expense | ' | ' | $25,200 | $22,500 | $22,461 | $23,450 | $82,706 | $32,250 | $11,250 | $141,000 | $52,500 | $54,000 | $57,000 | $641,874 | $607,371 | $22,501 | ' | ' | ' | ' | ' | $11,200 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $641,678 | $607,371 |
Other Liabilities, Current | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 45,000 | 45,000 | ' | ' | ' | ' | ' | ' | ' | 67,500 | 64,500 | 22,500 | 206,765 | ' | ' | ' | ' | 45,000 | ' | ' | ' | 135,000 | ' | ' | ' | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value | ' | ' | ' | ' | ' | $90,950 | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | $67,500 | $67,501 | $67,461 | ' | ' | ' | ' | ' | $289,471 | $96,750 | $33,750 | ' | ' | ' | ' | ' | $189,000 | ' | ' | $14,000 | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number (in Shares) | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 100,000 | ' | ' | ' | ' | ' | ' | ' |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares (in Shares) | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | ' | 25,000 | 300,000 | ' | ' | ' | 800,000 | ' | ' | ' | ' |