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Quarterly Results | 12 Months Ended
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Dec. 31, 2020
Quarterly Results |
Quarterly Results | Note 12 – Quarterly Results (unaudited) Quarterly results for the years ended December 31, 2020 and 2019 are as follows:
|  | First |  | Second |  | Third |  | Fourth
For the year ended December 31, 2020 |  | Quarter |  | Quarter |  | Quarter |  | Quarter
Revenue |  | $ | — |  | $ | — |  | $ | — |  | $ | —
Gross Profit (Loss) |  | $ | — |  | $ | 153,000 |  | $ | (180,000) |  | $ | (252,000)
Operating Expense |  | $ | 1,963,000 |  | $ | 1,589,000 |  | $ | 1,497,000 |  | $ | 1,604,000
Net loss attributed to common stockholders |  | $ | (1,963,000) |  | $ | (1,390,000) |  | $ | (1,677,000) |  | $ | (1,854,000)
Net Loss per share - basic and fully diluted |  | $ | (0.07) |  | $ | (0.05) |  | $ | (0.06) |  | $ | (0.06)
For the year ended December 31, 2019 |  |  |  |  |  |  |  |  |  |  |  |
Revenue |  | $ | — |  | $ | — |  | $ | — |  | $ | —
Gross Profit (Loss) |  | $ | (1,000) |  | $ | — |  | $ | — |  | $ | —
Operating Expense |  | $ | 2,376,000 |  | $ | 2,447,000 |  | $ | 2,138,000 |  | $ | 1,621,000
Net loss attributed to common stockholders |  | $ | (2,329,000) |  | $ | (2,426,000) |  | $ | (2,108,000) |  | $ | (1,616,000)
Net Loss per share - basic and fully diluted |  | $ | (0.09) |  | $ | (0.09) |  | $ | (0.08) |  | $ | (0.06)

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -URI http://asc.fasb.org/topic&trid=2126967 + Details
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