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NOTE 9 - EMPLOYEE BENEFIT PLANS	12 Months Ended
NOTE 9 - EMPLOYEE BENEFIT PLANS	Dec. 31, 2018
Retirement Benefits [Abstract]
Pension and Other Postretirement Benefits Disclosure [Text Block]	NOTE 9 - EMPLOYEE BENEFIT PLANS 401(K) SAVINGS PLAN We sponsor a defined contribution 401(k) plan that is available to substantially all employees. Our Board of Directors may amend or terminate the plan at any time. We provided matching contributions to the plan of $490 and $369 in 2018 and 2017, respectively. EMPLOYEE STOCK PURCHASE PLAN Our Employee Stock Purchase Plan (“Purchase Plan”) was approved by the shareholders in June 2017. The Purchase Plan allows all eligible employees to purchase a limited number of shares of our common stock during pre-specified offering periods at a discount established by the Board of Directors, not to exceed 15% of the fair market value of the common stock, at the beginning or end of the offering period (whichever is lower). Under the ESPP, 225,000 shares were reserved for issuance. During the year ended December 31, 2018, 14,415 shares of common stock were issued at $11.88 per share and 55,631 shares of common stock were issued at $5.27 per share. During the year ended December 31, 2017, 17,568 shares of common stock were issued at $7.65 per share.