Velardeña care and maintenance costs. We recorded $0.5 million and $0.2 million for the three-month periods ended March 31, 2022 and March 31, 2021, respectively, for expenses related to care and maintenance at our Velardeña Properties as the result of the suspension of mining and processing activities in November 2015.
El Quevar project expense. We incurred $0.1 million and $0.1 million for the three-month periods ended March 31, 2022, and March 31, 2021, respectively, related to holding and evaluation costs for the Yaxtché deposit at our El Quevar project in Argentina. During the three months ended March 31, 2022 and March 31, 2021, approximately $0.2 million and $0.1 million of costs actually incurred were offset by reimbursements from Barrick, respectively as discussed above.
Administrative expense. Administrative expenses totaled $1.3 million for the three months ended March 31, 2022. Administrative expenses, including costs associated with being a public company, are incurred primarily by our corporate activities in support of the Rodeo Property, Velardeña Properties, El Quevar project and our exploration portfolio. The $1.3 million of administrative expenses we incurred during the three months ended March 31, 2022, is comprised of $0.6 million of employee compensation and directors’ fees, $0.5 million of professional fees and $0.2 million of insurance, rents, travel expenses, utilities and other office costs. Administrative expenses totaled $1.5 million for the three months ended March 31, 2021. The $1.5 million of administrative expenses we incurred during the first three months of 2021 is comprised of $0.8 million of employee compensation and directors’ fees, $0.4 million of professional fees and $0.3 million of insurance, rents, travel expenses, utilities and other office costs.
Stock based compensation. During the three months ended March 31, 2022, we incurred approximately $0.2 million of expense related to stock-based compensation. Stock based compensation varies from period to period depending on the number and timing of shares granted, the type of grant, the market value of the shares on the date of grant and other variables. During the three months ended March 31, 2021, we incurred approximately $0.4 million of expense related to stock-based compensation. Stock based compensation was higher in the 2021 period due primarily to stock awards granted to executives.
Reclamation and accretion expense. During each of the three months ended March 31, 2022, and March 31, 2021, we incurred approximately $0.1 million of reclamation expense related to the accretion of an asset retirement obligation at the Velardeña Properties and environmental liabilities associated with the Rodeo operation.
Other operating income (expense), net. We recorded $0.4 million of other operating income for the three months ended March 31, 2022, primarily related to the amortization of deferred income related to the option agreement for the sale of the Santa Maria property, as discussed above. We recorded $0.2 million of other operating income for the three months ended March 31, 2021, primarily related to the amortization of deferred income related to the option agreement for the sale of the Santa Maria property.
Depreciation, depletion and amortization. During the three-month periods ended March 31, 2022, and March 31, 2021, we incurred depreciation, depletion and amortization expense of approximately $0.1 million and $0.2 million, respectively.
Interest and other expense, net. We recorded a nominal amount of interest and other expense, net for the three months ended March 31, 2022. We recorded approximately $0.4 million of interest and other expense, net for the three months ended March 31, 2021, primarily related to write-off of deferred costs related to the LPC Program.
Gain (Loss) on foreign currency losses. We recorded a foreign currency gain of approximately $0.1 million for the three months ended March 31, 2022. We recorded approximately $0.1 million of foreign currency loss for the three months ended March 31, 2021. Foreign currency gains and losses are primarily related to the effect of currency fluctuations on monetary transactions incurred by our foreign subsidiaries that are denominated in currencies other than US dollars.
Income taxes. We recorded a $0.1M tax expense for the three months ended March 31, 2022. We recorded a $0.1 million tax benefit for the three months ended March 31, 2021.
Liquidity and Capital Resources
At March 31, 2022, our aggregate cash and cash equivalents totaled $11.7 million, compared to the $12.2 million in similar assets held at December 31, 2021. The March 31, 2022 balance is due in part from the following expenditures and cash inflows for the three months ended March 31, 2022. Expenditures totaled $3.7 million from the following: