Note 17 - Incentive and Non-Statutory Stock Option Plan (Detail) (USD $)
|
3 Months Ended | 6 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 0 Months Ended | 3 Months Ended | 12 Months Ended | 0 Months Ended | 3 Months Ended | ||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2012
|
Sep. 30, 2011
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Sep. 30, 2012
Options [Member]
Option A [Member]
|
Sep. 30, 2012
Options [Member]
Option B [Member]
|
Sep. 30, 2012
Options [Member]
Option C [Member]
|
Dec. 31, 2012
Options [Member]
Option D [Member]
|
Dec. 31, 2012
Options [Member]
Option E [Member]
|
Dec. 31, 2012
Stock Options [Member]
Option D [Member]
|
Sep. 30, 2012
Stock Options [Member]
Maximum [Member]
|
Jun. 30, 2012
Stock Options [Member]
Maximum [Member]
|
Sep. 30, 2012
Stock Options [Member]
Minimum [Member]
|
Jun. 30, 2012
Stock Options [Member]
Minimum [Member]
|
May 30, 2011
Stock Options [Member]
|
Sep. 30, 2012
Stock Options [Member]
|
Jun. 30, 2012
Stock Options [Member]
|
Sep. 13, 2012
Adjusted From [Member]
Maximum [Member]
|
Sep. 13, 2012
Adjusted To [Member]
Minimum [Member]
|
May 30, 2011
Equity Incentive Plan [Member]
|
Sep. 30, 2011
Warrant [Member]
Maximum [Member]
|
Sep. 30, 2011
Warrant [Member]
Minimum [Member]
|
Sep. 13, 2012
Warrant [Member]
Increased From [Member]
|
Sep. 13, 2012
Warrant [Member]
Increased To [Member]
|
Sep. 30, 2011
Warrant [Member]
|
Sep. 13, 2012
Maximum [Member]
|
Sep. 13, 2012
Minimum [Member]
|
|
Percentage of Shares Exercisable Annually | 20.00% | ||||||||||||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares) | 140,845 | 28,572 | 16,350 | 50,000 | 20,000 | 70,000 | 184,922 | 351,259 | |||||||||||||||||||
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share) | $ 5 | $ 3.50 | $ 4.00 | $ 4.75 | $ 4.75 | $ 5.00 | $ 5.00 | $ 7.50 | $ 3.50 | $ 3.00 | |||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 1 month | 1 month | 1 month | 3 months | |||||||||||||||||||||||
Share-based Compensation (in Dollars) | $ 6,850 | $ 6,000 | $ 20,036 | $ 4,209 | $ 55,040 | $ 73,478 | $ 16,860 | ||||||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate | 0.07% | 0.08% | 0.10% | 0.11% | 0.11% | ||||||||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term | 1 month | 1 month | 1 month | 3 months | 3 months | ||||||||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate | 27.27% | 28.43% | 26.58% | 32.23% | 32.23% | ||||||||||||||||||||||
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item) | 7.73 | 7.46 | 8.95 | 7.73 | 8.95 | 7.73 | 4.93 | ||||||||||||||||||||
Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants (in Dollars) | 446,480 | ||||||||||||||||||||||||||
Deferred Costs (in Dollars) | $ 401,648 | ||||||||||||||||||||||||||
Class of Warrant or Right, Outstanding (in Shares) | 163,021 | ||||||||||||||||||||||||||
Class of Warrant or Right, Right To Exercise Percentage | 5.00% | ||||||||||||||||||||||||||
Class of Warrant or Right, Excess Exercise Price Percentage | 125.00% | ||||||||||||||||||||||||||
Stock Issued During Period, Shares, Period Increase (Decrease) (in Shares) | 163,021 | 168,943 | |||||||||||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares) | 500,000 | ||||||||||||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Maximum (in Shares) | 50,000 | ||||||||||||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term | 10 years | ||||||||||||||||||||||||||
Participant Percentage of Stock Owned | 10.00% | ||||||||||||||||||||||||||
Percent Shareholder | 10.00% | ||||||||||||||||||||||||||
Percent of Exercise Price Above Fair Market Value Per Share of Common Stock | 110.00% | ||||||||||||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period (in Shares) | 16,950 | 2,500 |