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Note 8 - Resalable Software License Rights - Amortization Expense Change in Methodology (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Amortization of software license rights | $ 281,137 |  |  |  |  |  | $ 843,287 | $ 1,978,349
Total operating expenses | 1,215,197 |  |  | $ 1,440,777 |  |  | 4,326,236 | 4,668,602
Operating loss | (1,271,136) |  |  | (1,641,359) |  |  | (4,385,645) | (5,488,836)
Net loss | $ (1,829,567) | $ (1,425,743) | $ (1,803,508) | $ (1,641,315) | $ (1,655,465) | $ (2,191,992) | $ (5,058,818) | $ (5,488,772)
Basic & diluted loss per share (in dollars per share) | $ (0.13) |  |  | $ (0.23) |  |  | $ (0.36) | $ (0.66)
Intangible Assets, Amortization Period [Member] |  |  |  |  |  |  |  |
Amortization of software license rights | $ 749,887 |  |  |  |  |  | $ 2,249,537 |
Total operating expenses | 1,683,947 |  |  |  |  |  | 5,732,486 |
Operating loss | (1,739,886) |  |  |  |  |  | (5,791,895) |
Net loss | $ (2,298,317) |  |  |  |  |  | $ (6,465,068) |
Basic & diluted loss per share (in dollars per share) | $ (0.16) |  |  |  |  |  | $ (0.46) |

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