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Financial Instruments | 12 Months Ended
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Dec. 31, 2020
Financial Instruments [Abstract] |
Financial Instruments | ​ 10. FINANCIAL INSTRUMENTS Certain financial assets and liabilities are accounted for at fair value, which is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The following fair value hierarchy prioritizes the inputs used to measure fair value: Level 1 – Quoted prices are available in active markets for identical assets or liabilities as of the reporting date. Active markets are those in which transactions for the asset or liability occur in sufficient frequency and volume to provide pricing information on an ongoing basis. Level 2 – Pricing inputs are other than quoted prices in active markets included in Level 1, which are either directly or indirectly observable as of the reporting date. Level 2 includes those financial instruments that are valued using models or other valuation methodologies. Level 3 – Pricing inputs include significant inputs that are generally less observable from objective sources. These inputs may be used with internally developed methodologies that result in management’s best estimate of fair value from the perspective of a market participant. The following tables present the Company’s cash and financial assets that are measured at fair value on a recurring basis for each of the hierarchy levels (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2020
​ | ​ | ​ | Cost | ​ | ​ | Unrealized Gains | ​ | ​ | Accrued Interest | ​ | ​ | Estimated Fair Value | ​ | ​ | Cash & Cash Equivalents | ​ | ​ | Investment Securities
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash | ​ | $ | 159,754 | ​ | $ | - | ​ | $ | - | ​ | $ | 159,754 | ​ | $ | 159,754 | ​ | $ | -
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Level 1: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Money market accounts | ​ | ​ | 3,969 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 3,969 | ​ | ​ | 3,969 | ​ | ​ | -
Government & agency securities | ​ | ​ | 2,829 | ​ | ​ | 45 | ​ | ​ | - | ​ | ​ | 2,874 | ​ | ​ | - | ​ | ​ | 2,874
​ | ​ | ​ | 6,798 | ​ | ​ | 45 | ​ | ​ | - | ​ | ​ | 6,843 | ​ | ​ | 3,969 | ​ | ​ | 2,874
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Level 2: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Municipal bonds | ​ | ​ | 7,689 | ​ | ​ | 42 | ​ | ​ | 147 | ​ | ​ | 7,878 | ​ | ​ | - | ​ | ​ | 7,878
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total | ​ | $ | 174,241 | ​ | $ | 87 | ​ | $ | 147 | ​ | $ | 174,475 | ​ | $ | 163,723 | ​ | $ | 10,752
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2019
​ | ​ | ​ | Cost | ​ | ​ | Unrealized Gains | ​ | ​ | Accrued Interest | ​ | ​ | Estimated Fair Value | ​ | ​ | Cash & Cash Equivalents | ​ | ​ | Investment Securities
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Cash | ​ | $ | 36,593 | ​ | $ | - | ​ | $ | - | ​ | $ | 36,593 | ​ | $ | 36,593 | ​ | $ | -
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Level 1: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Certificate of deposit | ​ | ​ | 35,000 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 35,000 | ​ | ​ | 35,000 | ​ | ​ | -
Money market accounts | ​ | ​ | 5,381 | ​ | ​ | - | ​ | ​ | - | ​ | ​ | 5,381 | ​ | ​ | 5,381 | ​ | ​ | -
Government & agency securities | ​ | ​ | 2,832 | ​ | ​ | 2 | ​ | ​ | - | ​ | ​ | 2,834 | ​ | ​ | - | ​ | ​ | 2,834
​ | ​ | ​ | 43,213 | ​ | ​ | 2 | ​ | ​ | - | ​ | ​ | 43,215 | ​ | ​ | 40,381 | ​ | ​ | 2,834
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Level 2: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Municipal bonds | ​ | ​ | 12,610 | ​ | ​ | 34 | ​ | ​ | 226 | ​ | ​ | 12,870 | ​ | ​ | - | ​ | ​ | 12,870
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Total | ​ | $ | 92,416 | ​ | $ | 36 | ​ | $ | 226 | ​ | $ | 92,678 | ​ | $ | 76,974 | ​ | $ | 15,704
​ The Company had no realized losses or gains for the years ended December 31, 2020, 2019 and 2018, respectively. The maturities of the Company’s investment securities generally range up to 3 years for municipal bonds and for government and agency securities.

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- Definition The entire disclosure for financial instruments. This disclosure includes, but is not limited to, fair value measurements of short and long term marketable securities, international currencies forward contracts, and auction rate securities. Financial instruments may include hedging and non-hedging currency exchange instruments, derivatives, securitizations and securities available for sale at fair value. Also included are investment results, realized and unrealized gains and losses as well as impairments and risk management disclosures. + References No definition available. + Details
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