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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (unaudited) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Operating Expenses: |  |  |  |
Mineral property expenses | $ (12) | $ (12) | $ (18) | $ (77)
Product development expenses | (1,641) | (19) | (1,942) | (51)
General and administrative expenses | (1,536) | (1,003) | (4,106) | (3,583)
Arbitration costs | (171) | (146) | (868) | (631)
Depreciation and amortization | 19 | (3) | (5) | (5)
Total operating expenses | (3,341) | (1,183) | (6,939) | (4,347)
Non-Operating Income/(Expenses): |  |  |  |
Loss on sale of marketable securities |  |  |  | (720)
Interest income |  | 13 |  | 347
Gain on sale of fixed assets | 1 |  | 22 |
Other income (expense) | (22) |  | (15) | (11)
Total other income (expense) | (21) | 13 | 7 | (384)
Net Loss from Continuing Operations | (3,362) | (1,170) | (6,932) | (4,731)
Net Loss from Discontinued Operations | (6,389) | (664) | (8,573) | (3,052)
Net Loss | (9,751) | (1,834) | (15,505) | (7,783)
Other Comprehensive Income |  |  |  |
Transfer to realized loss upon sale of available for sale securities |  |  |  | 90
Comprehensive Loss | $ (9,751) | $ (1,834) | $ (15,505) | $ (7,693)
BASIC AND DILUTED LOSS PER SHARE | $ (1.23) | $ (0.95) | $ (2.63) | $ (4.66)
WEIGHTED AVERAGE NUMBER OF SHARES OUTSTANDING | 7,904,522 | 1,931,419 | 5,905,850 | 1,649,145

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- Definition Exploration expenses (including prospecting) related to oil and gas producing entities and would be included in operating expenses of that entity. Costs incurred in identifying areas that may warrant examination and in examining specific areas that are considered to have prospects of containing oil and gas reserves, including costs of drilling exploratory wells and exploratory-type stratigraphic test wells. Exploration costs may be incurred both before acquiring the related property (sometimes referred to in part as prospecting costs) and after acquiring the property. Principal types of exploration costs, which include depreciation and applicable operating costs of support equipment and facilities and other costs of exploration activities, are: (i) Costs of topographical, geographical and geophysical studies, rights of access to properties to conduct those studies, and salaries and other expenses of geologists, geophysical crews, and others conducting those studies. Collectively, these are sometimes referred to as geological and geophysical or "G&G" costs. (ii) Costs of carrying and retaining undeveloped properties, such as delay rentals, ad valorem taxes on properties, legal costs for title defense, and the maintenance of land and lease records. (iii) Dry hole contributions and bottom hole contributions. (iv) Costs of drilling and equipping exploratory wells. (v) Costs of drilling exploratory-type stratigraphic test wells. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 235 -Section 50 -Paragraph 23 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=68064819&loc=d3e62136-109447 + Details
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