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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables) | 6 Months Ended
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Jun. 30, 2020
Accounting Policies [Abstract] |
Schedule of revenue recognition | The Company’s disaggregated revenues consist of the following for the six months ended June 30, 2020:
| Six Months ended June 30, 2020
| GWW |  | Coolisys |  | DP Lending |  | Total
Primary Geographical Markets |  |  |  |  |  |  |
North America | $ 3,370,374 |  | $ 1,965,465 |  | $ 2,396 |  | $ 5,338,235
Europe | 447,603 |  | 287,157 |  | — |  | 734,760
Middle East | 4,605,482 |  | — |  | — |  | 4,605,482
Other | 153,123 |  | 174,814 |  | — |  | 327,937
| $ 8,576,582 |  | $ 2,427,436 |  | $ 2,396 |  | $ 11,006,414
Major Goods |  |  |  |  |  |  |
RF/Microwave Filters | $ 2,545,967 |  | $ — |  | $ — |  | $ 2,545,967
Detector logarithmic video amplifiers | 878,372 |  | — |  | — |  | 878,372
Power Supply Units | — |  | 2,427,436 |  | — |  | 2,427,436
Power Supply Systems | 546,761 |  | — |  | — |  | 546,761
Healthcare diagnostic systems | 523,228 |  | — |  | — |  | 523,228
Defense systems | 4,082,254 |  | — |  | — |  | 4,082,254
Lending activities | — |  | — |  | 2,396 |  | 2,396
| $ 8,576,582 |  | $ 2,427,436 |  | $ 2,396 |  | $ 11,006,414
Timing of Revenue Recognition |  |  |  |  |  |  |
Goods transferred at a point in time | $ 3,971,100 |  | $ 2,427,436 |  | $ 2,396 |  | $ 6,400,932
Services transferred over time | 4,605,482 |  | — |  | — |  | 4,605,482
| $ 8,576,582 |  | $ 2,427,436 |  | $ 2,396 |  | $ 11,006,414
| Six Months ended June 30, 2019
| GWW |  | Coolisys |  | DP Lending |  | Total
Primary Geographical Markets |  |  |  |  |  |  |
North America | $ 1,569,939 |  | $ 2,790,091 |  | $ 374,710 |  | $ 4,734,740
Europe | 1,012,761 |  | 16,804 |  | — |  | 1,029,565
Middle East | 4,488,553 |  | — |  | — |  | 4,488,553
Other | 327,799 |  | 171,822 |  | — |  | 499,621
| $ 7,399,052 |  | $ 2,978,717 |  | $ 374,710 |  | $ 10,752,479
Major Goods |  |  |  |  |  |  |
RF/Microwave filters | $ 989,114 |  | $ — |  | $ — |  | $ 989,114
Detector logarithmic video amplifiers | 473,150 |  | — |  | — |  | 473,150
Power supply units | 180,475 |  | 2,693,797 |  | — |  | 2,874,272
Power supply systems | 1,082,442 |  | — |  | — |  | 1,082,442
Healthcare diagnostic systems | 1,260,700 |  | — |  | — |  | 1,260,700
Defense systems | 3,413,171 |  | — |  | — |  | 3,413,171
Lending activities | — |  | — |  | 374,710 |  | 374,710
Digital currency mining | — |  | 284,920 |  | — |  | 284,920
| $ 7,399,052 |  | $ 2,978,717 |  | $ 374,710 |  | $ 10,752,479
Timing of Revenue Recognition |  |  |  |  |  |  |
Goods transferred at a point in time | $ 2,588,280 |  | $ 2,978,717 |  | $ 374,710 |  | $ 5,941,707
Services transferred over time | 4,810,772 |  | — |  | — |  | 4,810,772
| $ 7,399,052 |  | $ 2,978,717 |  | $ 374,710 |  | $ 10,752,479
Schedule of fair value measurement | The categorization of a financial instrument within the valuation hierarchy is based upon the lowest level of input that is significant to the fair value measurement. The following table sets forth the Company’s financial instruments (see Note 5 and Note 9) that were measured at fair value on a recurring basis by level within the fair value hierarchy:
|  | Fair Value Measurement at June 30, 2020
|  | Total | Level 1 | Level 2 | Level 3
Investments in convertible promissory note of AVLP – a related party |  | $ 6,739,234 | $ — | $ — | $ 6,739,234
Investments in common stock and derivative instruments of AVLP – a related party |  | 1,028,424 | 169,860 | — | 858,564
Investment in common stock of Alzamend – a related party |  | 575,925 | — | — | 575,925
Investments in marketable equity securities |  | 596,313 | 596,313 | — | —
Investments in warrants of public companies |  | 2 | — | — | 2
Total Investments |  | $ 8,939,898 | $ 766,173 | $ — | $ 8,173,725
|  | Fair Value Measurement at December 31, 2019
|  | Total | Level 1 | Level 2 | Level 3
Investments in convertible promissory note of AVLP – a related party |  | $ 6,540,720 | $ — | $ — | $ 6,540,720
Investments in common stock and derivative instruments of AVLP – a related party |  | 1,569,286 | 238,602 | — | 1,330,684
Investment in common stock of Alzamend – a related party |  | 558,938 | — | — | 558,938
Investments in marketable equity securities |  | 639,647 | 639,647 | — | —
Investments in warrants of public companies |  | 9,174 | — | — | 9,174
Total Investments |  | $ 9,317,765 | $ 878,249 | $ — | $ 8,439,516
Schedule of anti-dilutive securities | Anti-dilutive securities, which are convertible into or exercisable for the Company’s common stock, consist of the following at June 30, 2020 and 2019:
| June 30,
| 2020 |  | 2019
Stock options | 950 |  | 9,006
Warrants (1) | 2,151,953 |  | 51,465
Convertible notes | 551,104 |  | 75,000
Conversion of preferred stock | 2,232 |  | 2,232
Total | 2,706,239 |  | 137,703
| (1) | The Company has excluded 6,500 warrants issued in April 2019, which may be exercised by means of a cashless exercise into 6,500 shares of the Company’s common stock, in its anti-dilutive securities but included the warrants in its weighted average shares outstanding.

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- Definition Tabular disclosure of assets, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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