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CASH EQUIVALENTS AND INVESTMENTS (Tables) | 12 Months Ended
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Dec. 31, 2019
Investments, All Other Investments [Abstract] |
Schedule of amortized cost, gross unrealized gains and losses and fair value of marketable debt and equity securities and investments | The amortized cost, gross unrealized gains and losses and fair value of the Company's cash equivalents and marketable securities at December 31, 2018 were comprised of the following (in thousands):
| December 31, 2018
| Amortized cost |  | Unrealized gains |  | Unrealized losses |  | Fair value
Cash equivalents | $ | 310 |  |  | $ | — |  |  | $ | — |  |  | $ | 310 |
Marketable securities |  |  |  |  |  |  |
U.S. government agency notes | $ | 3,998 |  |  | $ | — |  |  | $ | (9 | ) |  | $ | 3,989 |
Corporate debt securities | 3,301 |  |  | — |  |  | (6 | ) |  | 3,295 |
| $ | 7,299 |  |  | $ | — |  |  | $ | (15 | ) |  | $ | 7,284 |
Schedule of fair value of financial assets | The following table shows the fair value of the Company's financial assets at December 31, 2018. These financial assets are comprised of the Company's available-for-sale debt securities and reported under the captions Cash and cash equivalents and Marketable securities in the consolidated balance sheets (in thousands):
|  |  | Fair value measurements at December 31, 2018 using:
| Total carrying value at December 31, 2018 |  | Quoted prices in active markets (Level 1) |  | Significant other observable inputs (Level 2) |  | Significant unobservable inputs (Level 3)
Cash equivalents | $ | 310 |  |  | $ | 310 |  |  | $ | — |  |  | $ | — |
Marketable securities |  |  |  |  |  |  |
U.S. government agency notes | $ | 3,989 |  |  | $ | — |  |  | $ | 3,989 |  |  | $ | — |
Corporate debt securities | 3,295 |  |  | — |  |  | 3,295 |  |  | — |
| $ | 7,284 |  |  | $ | — |  |  | $ | 7,284 |  |  | $ | — |

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- Definition Tabular disclosure of the reconciliation of cash equivalents, marketable securities and investments from cost basis to fair value. + References No definition available. + Details
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- Definition Tabular disclosure of assets measured at fair value measured on a recurring or nonrecurring basis. Includes, but is not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. + 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 (a) -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 (b) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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