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Note 14 - Stockholders' Equity | 6 Months Ended
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Mar. 31, 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 six months ended March 31, 2018:
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Accumulated |  |  |  |  |
|  |  |  |  |  |  |  |  |  | Additional |  |  |  |  |  |  | Other |  |  | Total |
|  | Common Stock |  |  | Paid-in |  |  | Accumulated |  |  | Comprehensive |  |  | Stockholders' |
|  | Shares |  |  | Amount |  |  | Capital |  |  | Deficit |  |  | Loss |  |  | Equity |
Balances, September 30, 2017 |  |  | 32,158,436 |  |  | $ | 322 |  |  | $ | 87,956,839 |  |  | $ | (52,771,853 | ) |  | $ | (1,269 | ) |  | $ | 35,184,039 |
Share-based compensation expense |  |  | - |  |  |  | - |  |  |  | 284,250 |  |  |  | - |  |  |  | - |  |  |  | 284,250 |
Issuance of common stock upon exercise of stock options, net |  |  | 110,852 |  |  |  | - |  |  |  | 185,718 |  |  |  |  |  |  |  |  |  |  |  | 185,718 |
Issuance of common stock upon vesting of restricted stock units |  |  | 125,000 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Other comprehensive loss |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (12,513 | ) |  |  | (12,513 | )
Net loss |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (1,222,344 | ) |  |  |  |  |  |  | (1,222,344 | )
Balances, March 31, 2018 |  |  | 32,394,288 |  |  | $ | 322 |  |  | $ | 88,426,807 |  |  | $ | (53,994,197 | ) |  | $ | (13,782 | ) |  | $ | 34,419,150 |
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. There were no shares repurchased during the six -month periods ended March 31, 2018 and 2017 respectively. At March 31, 2018, all repurchased shares were retired. In December 2017, the Board of Directors extended the program through December 31, 2018. At March 31, 2018, $3.9 million is available for share repurchase under this program. Dividends There were no dividends declared in the six months ended March 31, 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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