Note 17 - Incentive and Non-Statutory Stock Option Plan (Detail) (USD $)
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3 Months Ended | 9 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 12 Months Ended | 0 Months Ended | 9 Months Ended | 12 Months Ended | 9 Months Ended | 0 Months Ended | 3 Months Ended | ||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2011
|
Mar. 31, 2013
|
Mar. 31, 2012
|
Mar. 07, 2013
|
Sep. 30, 2012
Option A [Member]
Options [Member]
|
Sep. 30, 2012
Option B [Member]
Options [Member]
|
Sep. 30, 2012
Option C [Member]
Options [Member]
|
Dec. 31, 2012
Option D [Member]
Options [Member]
|
Dec. 31, 2012
Option D [Member]
Stock Options [Member]
|
Dec. 31, 2012
Option E [Member]
Options [Member]
|
Mar. 31, 2013
Option F [Member]
Options [Member]
|
Mar. 31, 2013
Option F [Member]
Stock Options [Member]
|
Mar. 31, 2013
Option G [Member]
Options [Member]
|
Mar. 31, 2013
Option G [Member]
Stock Options [Member]
|
Mar. 31, 2013
Option H [Member]
Options [Member]
|
Mar. 31, 2013
Option H [Member]
Stock Options [Member]
|
Mar. 31, 2013
Option I [Member]
Options [Member]
|
Mar. 31, 2013
Option I [Member]
Stock Options [Member]
|
Mar. 31, 2013
Option J [Member]
Options [Member]
|
Mar. 31, 2013
Option J [Member]
Stock Options [Member]
|
Mar. 31, 2013
Option K [Member]
Options [Member]
|
Mar. 31, 2013
Option K [Member]
Stock Options [Member]
|
Mar. 31, 2013
Option L [Member]
Options [Member]
|
Mar. 31, 2013
Option L [Member]
Stock Options [Member]
|
Mar. 31, 2013
Option M [Member]
Options [Member]
|
Mar. 31, 2013
Option M [Member]
Stock Options [Member]
|
Mar. 31, 2013
Stock Options [Member]
Maximum [Member]
|
Jun. 30, 2012
Stock Options [Member]
Maximum [Member]
|
Mar. 31, 2013
Stock Options [Member]
Minimum [Member]
|
Jun. 30, 2012
Stock Options [Member]
Minimum [Member]
|
May 30, 2011
Stock Options [Member]
|
Mar. 31, 2013
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]
|
Mar. 31, 2013
Non-Officer Employees [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]
|
Mar. 07, 2013
Warrant [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) | 28,572 | 16,350 | 50,000 | 70,000 | 20,000 | 50,000 | 39,134 | 8,000 | 8,000 | 1,200 | 10,364 | 3,636 | 5,000 | 307,556 | 351,259 | 140,845 | |||||||||||||||||||||||||||||
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in Dollars per share) | $ 3.50 | $ 4.00 | $ 4.75 | $ 4.75 | $ 5.00 | $ 7.00 | $ 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 | 3 months | 3 months | 3 months | 1 month | 3 months | 1 month | 3 months | 1 month | |||||||||||||||||||||||||||||||||
Share-based Compensation (in Dollars) | $ 6,850 | $ 6,000 | $ 20,036 | $ 4,209 | $ 55,040 | $ 73,478 | $ 16,860 | $ 82,542 | $ 12,139 | $ 188 | $ 8,642 | $ 501 | $ 6,018 | $ 2,251 | $ 19,202 | ||||||||||||||||||||||||||||||
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% | 0.07% | 0.07% | 0.07% | 0.07% | 0.07% | 0.05% | 0.08% | 0.07% | ||||||||||||||||||||||||||||||||
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term | 1 month | 1 month | 1 month | 3 months | 3 months | 3 months | 3 months | 3 months | 1 month | 3 months | 1 month | 3 months | 1 month | ||||||||||||||||||||||||||||||||
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% | 18.72% | 18.72% | 18.72% | 13.95% | 18.72% | 13.95% | 18.55% | 31.27% | ||||||||||||||||||||||||||||||||
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item) | 4.50 | 6.00 | 7.00 | 5.00 | 5.83 | 5.50 | 5.50 | 7.00 | 7.73 | 7.46 | 8.95 | 7.73 | 8.95 | 7.73 | 4.93 | ||||||||||||||||||||||||||||||
undefined | five | ||||||||||||||||||||||||||||||||||||||||||||
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) | 83,375 | 163,021 | |||||||||||||||||||||||||||||||||||||||||||
Class of Warrant or Right, Right To Exercise Percentage | 5.00% | ||||||||||||||||||||||||||||||||||||||||||||
Class of Warrant or Right, Excess Exercise Price Percentage | 125.00% | ||||||||||||||||||||||||||||||||||||||||||||
Number of Warrants Exercised (in Shares) | 72,300 | ||||||||||||||||||||||||||||||||||||||||||||
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) | 2,500 | 1,250 | 16,950 |