Other Income (Expense), Net. Total other income was $1,169,334 for the six months ended June 30, 2023, as compared to other expense of $112,797 in the comparable period in 2022, an increase of $1,282,131. The overall increase in other income was primarily the result of an increase of $1,207,399 in investment income resulting from the recent rise in interest rates earned on the Company’s excess cash period over period; and a decrease in foreign exchange losses of $118,988; partially offset by an increase of $44,256 in income and other taxes.
Provision for Income Taxes. There was not a provision for income taxes in the respective six-month periods ending June 30, 2023, and 2022.
Liquidity and Capital Resources
Capital Resources: As of June 30, 2023, we had cash and cash equivalents of $48,582,005, a decrease of $23,981,938 from $72,563,943 as of December 31, 2022.
As of June 30, 2023, we had current assets of $68,321,314 as compared to current liabilities of $6,825,090 which resulted in a positive working capital position of $61,496,224. As of December 31, 2022, we had a working capital position of $75,963,883. Our current liabilities are comprised principally of accounts payable, accrued expenses, licensing fee commitments, and operating lease right-of-use liabilities.
Summary of Cash Flow:
The following table summarizes our select cash flows for the six months ended:
| | June 30, | | June 30, |
| | 2023 | | 2022 |
Net Cash Provided by (used in) | | | | | | |
Operating Activities | | $ | (12,085,707) | | | $ (11,016,909) |
Investing Activities | | | (11,440,020) | | | (8,402,617) |
Financing Activities | | | (456,211) | | | (202,552) |
During the six months ended June 30, 2023, we used $12,085,707 of cash for operating activities. Net changes in working capital items were $2,226,731 for the six months ended June 30, 2023, with the largest factors resulting from a $3,027,270 increase in trade accounts receivables and accrued revenue in excess of billings, partially offset by receipt of $466,705 for our Employee Retention Credit, which was filed with the IRS in November 2022; a $562,818 decrease in inventory and vendor prepayments; and a $232,619 decrease in trade accounts payable and accrued expenses. For the six months ended June 30, 2022, we used a total of $11,016,909 in cash for operating activities.
During the six months ended June 30, 2023, we used $11,440,020 of cash for investing activities, which included $8,000,000 in payments made towards our technology license fee commitment with Atomistic, as discussed in Note 6, $2,774,513 for purchases of manufacturing equipment and leasehold improvement expenditures primarily related to our waveguide expansion project; $340,507 in patent and trademark expenditures; a further investment of $125,000 in the purchase of software operating license upgrades for our smart glasses platform; and an additional $200,000 of investments in private corporations as discussed in Note 7. For the six months ended June 30, 2022, we used a total of $8,402,617 in cash for investing activities.
During the six months ending June 30, 2023, we used $456,211 in net cash for financing activities, which included $14,546 received for stock option exercises, which was offset by $470,757 expended for share repurchases under our Share Buyback Program that expired on March 2, 2023. For the six months ended June 30, 2022, we used $202,552 in net cash for financing activities.
As of June 30, 2023, the Company does not have any current or long-term debt obligations outstanding other than licensing fee commitments totaling $3,500,000, which are all current.