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Note 16 - Stockholders' Equity | 3 Months Ended
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Dec. 31, 2019
Notes to Financial Statements |
Stockholders' Equity Note Disclosure [Text Block] |
1 6 . | STOCKHOLDERS’ EQUITY
Summary The following table summarizes changes in the components of stockholders’ equity during the three months ended December 31, 2019 and the three months ended December 31, 2018:
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Accumulated |  |  |  |  |
|  |  |  |  |  |  |  |  |  | Additional |  |  |  |  |  |  | Other |  |  | Total |
|  | Common Stock |  |  | Paid-in |  |  | Accumulated |  |  | Comprehensive |  |  | Stockholders' |
|  | Shares |  |  | Amount |  |  | Capital |  |  | Deficit |  |  | Loss |  |  | Equity |
Balance at September 30, 2019 |  |  | 32,949,987 |  |  |  | 330 |  |  | $ | 89,571,641 |  |  | $ | (53,731,903 | ) |  | $ | (458,719 | ) |  | $ | 35,381,349 |
Share-based compensation expense |  |  | - |  |  |  | - |  |  |  | 158,327 |  |  |  | - |  |  |  | - |  |  |  | 158,327 |
Issuance of common stock upon exercise of stock options, net |  |  | 83,343 |  |  |  | 1 |  |  |  | 144,213 |  |  |  | - |  |  |  | - |  |  |  | 144,214 |
Issuance of common stock upon vesting of restricted stock units |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Other comprehensive income (loss) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 85,314 |  |  |  | 85,314 |
Net income |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 620,327 |  |  |  | - |  |  |  | 620,327 |
Balance at December 31, 20119 |  |  | 33,033,330 |  |  |  | 331 |  |  | $ | 89,874,181 |  |  | $ | (53,111,576 | ) |  | $ | (373,405 | ) |  | $ | 36,389,531 |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Accumulated |  |  |  |  |
|  |  |  |  |  |  |  |  |  | Additional |  |  |  |  |  |  | Other |  |  | Total |
|  | Common Stock |  |  | Paid-in |  |  | Accumulated |  |  | Comprehensive |  |  | Stockholders' |
|  | Shares |  |  | Amount |  |  | Capital |  |  | Deficit |  |  | Loss |  |  | Equity |
Balance at September 30, 2018 |  |  | 33,176,146 |  |  | $ | 332 |  |  | $ | 90,251,145 |  |  | $ | (56,516,895 | ) |  | $ | (245,375 | ) |  | $ | 33,489,207 |
Share-based compensation expense |  |  | - |  |  |  | - |  |  |  | 133,845 |  |  |  | - |  |  |  | - |  |  |  | 133,845 |
Issuance of common stock upon exercise of stock options, net |  |  | 1,600 |  |  |  | - |  |  |  | 2,528 |  |  |  | - |  |  |  | - |  |  |  | 2,528 |
Issuance of common stock upon vesting of restricted stock units |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Stock buyback |  |  | (588,425 | ) |  |  | (6 | ) |  |  | (1,621,016 | ) |  |  | - |  |  |  | - |  |  |  | (1,621,022 | )
Other comprehensive loss |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (54,335 | ) |  |  | (54,335 | )
Net income |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 1,045,940 |  |  |  | - |  |  |  | 1,045,940 |
Balance at December 31, 2018 |  |  | 32,589,321 |  |  | $ | 326 |  |  | $ | 88,766,502 |  |  | $ | (55,470,955 | ) |  | $ | (299,710 | ) |  | $ | 32,996,163 |
Common Stock Activity During the three months ended December 31, 2019, the Company issued 83,343 shares of common stock and obtained gross proceeds of $144,214 in connection with the exercise of stock options. During the three months ended December 31, 2018, the Company issued 1,600 shares of common stock and obtained gross proceeds of $2,528 in connection with the exercise of stock options. Share Buyback Program The Board of Directors approved a share buyback program in 2015 under which the Company was authorized to repurchase up to $4 million of its outstanding common shares. In December 2017, the Board of Directors extended the program through December 31, 2018. In December 2018, the Board of Directors approved a new share buyback program beginning January 1, 2019 and expiring on December 31, 2020, under which the Company was authorized to repurchase up to $5 million of its outstanding common shares. The previous program expired on December 31, 2018. During the three months ended December 31, 2019 no shares were repurchased by the Company. During the three months ended December 31, 2018, 588,425 shares were repurchased for $1,621,022. All repurchased shares were retired. Dividends There were no dividends declared in the three months ended December 31, 2019 and 2018.

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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