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Leases (Tables) | 12 Months Ended
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Dec. 31, 2021
Leases [Abstract] |
Net Operating Lease Expense | The Company recognizes operating lease expense and lease payments from the sublease on a straight-line basis in its statements of operations over the lease terms. During the years ended December 31, 2021 and 2020, the net operating lease expenses were as follows:
|  | Years ended December 31, |
|  | 2021 |  |  | 2020 |
Operating lease expense |  | $ | 688,000 |  |  | $ | 591,000 |
Sublease income |  |  | (84,000 | ) |  |  | (77,000 | )
Variable lease expense |  |  | 19,000 |  |  |  | 21,000 |
Total lease expense |  | $ | 623,000 |  |  | $ | 535,000 |
Operating Lease Right-of-use Assets and Liabilities | The tables below show the beginning balances of the operating ROU assets and lease liabilities as of January 1, 2021 and the ending balances as of December 31, 2021, including the changes during the period.
|  | Operating Lease ROU Assets |
Operating lease ROU assets at January 1, 2021 |  | $ | 2,093,000 |
Amortization of operating lease ROU assets |  |  | (342,000 | )
Addition of operating lease ROU assets |  |  | 816,000 |
Operating lease ROU assets at December 31, 2021 |  | $ | 2,567,000 |
|  | Operating Lease Liabilities |
Operating lease liabilities at January 1, 2021 |  | $ | 2,178,000 |
Principal payments on operating lease liabilities |  |  | (321,000 | )
Addition of operating lease liabilities |  |  | 866,000 |
Operating lease liabilities at December 31, 2021 |  |  | 2,723,000 |
Less non-current portion |  |  | 2,297,000 |
Current portion at December 31, 2021 |  | $ | 426,000 |
Maturities of Operating Lease Liabilities | The maturities of the operating lease liabilities are as follows:
|  | As of December 31 |
2022 |  | $ | 750,000 |
2023 |  |  | 767,000 |
2024 |  |  | 785,000 |
2025 |  |  | 802,000 |
2026 |  |  | 267,000 |
Thereafter |  |  | 246,000 |
Total payments |  |  | 3,617,000 |
Less imputed interest |  |  | (894,000 | )
Total operating lease liabilities |  | $ | 2,723,000 |
Future Lease Payments from Sublease Agreement | The Tenant is also responsible for paying to the Company all tenant energy costs, annual operating costs, and annual tax costs attributable to the subleased space during the term of the sublease.
|  | As of December 31, 2021 |
2022 |  | $ | 82,000 |
2023 |  |  | 84,000 |
2024 |  |  | 86,000 |
2025 |  |  | 88,000 |
2026 |  |  | 75,000 |
|  | $ | 415,000 |

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- Definition Tabular disclosure for lessee's operating lease right-of-use assets and liabilities. + References No definition available. + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
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