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Note 12 - Other Income	12 Months Ended
Note 12 - Other Income	Dec. 31, 2017
Notes to Financial Statements
Other Nonoperating Income and Expense [Text Block]	12. Other Income On July 7, 2017, the Company entered into a sale of certain IP addresses that were not currently being used in the Company's business operations and were not required for the Company's future business plans. The net proceeds from the sale of these intellectual property assets were in the amount of $872,000 which the Company received on August 9, 2017. In addition, $56,000 was received on August 3, 2017 from the sale of an investment. The receipt of these transactions had an immediate positive impact on the Company's liquidity position.