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Note 17 - Related Party Transactions | 12 Months Ended
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Dec. 31, 2018
Notes to Financial Statements |
Related Party Transactions Disclosure [Text Block] |
( 17 ) | Related Party Transactions
In August 2016, the Company granted an option to purchase 418,977 shares of common stock, with 4 -year vesting period and an exercise price of $1.80 per share, to OPKO Health, Inc. (“OPKO”) as consideration for consulting services to be provided by OPKO. The Company recorded $142,000 and $480,000 as share-based compensation expense related to the OPKO stock option during the years ended December 31, 2018 and 2017, respectively. The estimated grant-date fair value of the option was $5.3 million. The term of the consulting agreement is 4 years and will be automatically renewed for successive one year periods. The chairman and chief executive officer of OPKO is a beneficial owner of more than 5% of the outstanding shares of the Company’s common stock.

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -URI http://asc.fasb.org/topic&trid=2122745 + Details
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