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Note 14 - Stockholders' Equity | 9 Months Ended
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Jun. 30, 2018
Notes to Financial Statements |
Stockholders' Equity Note Disclosure [Text Block] | 1 4 . STOCKHOLDERS’ EQUITY Summary The following table summarizes changes in the components of stockholders’ equity during the nine months ended June 30, 2018:
|  |  |  |  |  |  |  |  |  | Additional |  |  |  |  |  |  | Other |  |  | Total |
|  | Common Stock |  |  | Paid-in |  |  | Accumulated |  |  | Comprehensive |  |  | Stockholders' |
|  | Shares |  |  | Amount |  |  | Capital |  |  | Deficit |  |  | Loss |  |  | Equity |
Balance at September 30, 2017 |  |  | 32,158,436 |  |  | $ | 322 |  |  | $ | 87,956,839 |  |  | $ | (52,771,853 | ) |  | $ | (1,269 | ) |  | $ | 35,184,039 |
Share-based compensation expense |  |  | - |  |  |  | - |  |  |  | 433,063 |  |  |  | - |  |  |  | - |  |  |  | 433,063 |
Issuance of common stock upon exercise of stock options, net |  |  | 579,653 |  |  |  | - |  |  |  | 1,027,719 |  |  |  | - |  |  |  | - |  |  |  | 1,027,719 |
Issuance of common stock upon vesting of restricted stock units |  |  | 125,000 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Stock buyback |  |  | (211,326 | ) |  |  | 3 |  |  |  | (500,272 | ) |  |  | - |  |  |  | - |  |  |  | (500,269 | )
Other comprehensive loss |  |  | - |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (223,939 | ) |  |  | (223,939 | )
Net loss |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (1,302,564 | ) |  |  | - |  |  |  | (1,302,564 | )
Balance at June 30, 2018 |  |  | 32,651,763 |  |  | $ | 325 |  |  | $ | 88,917,349 |  |  | $ | (54,074,417 | ) |  | $ | (225,208 | ) |  | $ | 34,618,049 |
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. There were 211,326 shares repurchased during the nine months period ended June 30, 2018. There were zero shares repurchased during the nine -month period ended June 30, 2017. At June 30, 2018, all repurchased shares were retired. At June 30, 2018, $3.4 million was available for share repurchase under this program. Dividends There were no dividends declared in the nine months ended June 30, 2018 and 2017.

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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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