v3.8.0.1

Note 19 - Unaudited Quarterly Financial Data | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Quarterly Financial Information [Text Block] | 19 . Unaudited Quarterly Financial Data (in thousands, except per share amounts) The following table sets forth certain unaudited quarterly financial data for the eight quarters ended December 31, 2017. The unaudited information set forth below has been prepared on the same basis as the audited information and includes all adjustments necessary to present fairly the information set forth herein. The operating results for any quarter are not indicative of results for any future period. All data is in thousands except per share data.
|  | 201 7 |  |  | 201 6 |
|  | Q1 |  |  | Q2 |  |  | Q3 |  |  | Q4 |  |  | Q1 |  |  | Q2 |  |  | Q3 |  |  | Q4 |
Revenues |  | $ | 3,109 |  |  | $ | 2,659 |  |  | $ | 1,487 |  |  | $ | 740 |  |  | $ | 3,025 |  |  | $ | 4,531 |  |  | $ | 3,366 |  |  | $ | 6,435 |
Operating costs and expenses |  | $ | 15,182 |  |  | $ | 12,600 |  |  | $ | 10,348 |  |  | $ | 8,547 |  |  | $ | 11,547 |  |  | $ | 12,853 |  |  | $ | 11,341 |  |  | $ | 13,573 |
Net income / (loss) |  | $ | (15,551 | ) |  | $ | (13,059 | ) |  | $ | (13,013 | ) |  | $ | (9,885 | ) |  | $ | (10,981 | ) |  | $ | (11,092 | ) |  | $ | (11,402 | ) |  | $ | ( 9,682 | )
Net income / (loss) per share (basic) |  | $ | (0.34 | ) |  | $ | (0.29 | ) |  | $ | (0.28 | ) |  | $ | (0.20 | ) |  | $ | (0.24 | ) |  | $ | (0.24 | ) |  | $ | (0.25 | ) |  | $ | (0.21 | )
Net income / (loss) per share (diluted) |  | $ | (0.34 | ) |  | $ | (0.29 | ) |  | $ | (0.28 | ) |  | $ | (0.20 | ) |  | $ | (0.25 | ) |  | $ | (0.24 | ) |  | $ | (0.25 | ) |  | $ | (0.21 | )

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- References No definition available. + Details
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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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