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Note 3 - Property and Equipment, Net | 12 Months Ended
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Dec. 31, 2016
Notes to Financial Statements |
Property, Plant and Equipment Disclosure [Text Block] |
3. | Property and equipment, net
Property and equipment consisted of the following:
|  |  | December 31, |
|  |  | 2015 |  |  |  | 2016 |
Office equipment |  |  | 2 |  |  |  | 17 |
Laboratory equipment |  |  | - |  |  |  | 49 |
Furniture |  |  | 1 |  |  |  | 2 |
Motor vehicles |  |  | 24 |  |  |  | 23 |
Leasehold improvements |  |  | 13 |  |  |  | 13 |
|  |  | 40 |  |  |  | 104 |
Less: accumulated depreciation |  |  | (6 | ) |  |  | (24 | )
Property and equipment, net |  |  | 34 |  |  |  | 80 |
Depreciation expenses for the years ended December 31, 2014, 2015 and 2016 were nil , $10 and $18, respectively.

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- Definition The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 + Details
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