The operating lease cost and short-term lease cost for the three and six months ended June 30, 2022 and 2023 were as follows:
| | | | | | | | | | | | |
| | For the three months ended June 30, | | For the six months ended June 30, |
| | 2022 | | 2023 | | 2022 | | 2023 |
Selling expenses | | $ | 42 | | $ | 45 | | $ | 98 | | $ | 93 |
Research and development expenses | | | 60 | | | 70 | | | 121 | | | 140 |
General and administrative expenses | | | 250 | | | 10 | | | 523 | | | 61 |
Total operating lease cost | | | 352 | | | 125 | | | 742 | | | 294 |
| | | | | | | | | | | | |
Short-term lease cost | | | — | | | 21 | | | 57 | | | 80 |
| | | | | | | | | | | | |
Total lease cost | | $ | 352 | | $ | 146 | | $ | 799 | | $ | 374 |
The weighted average remaining lease term as of December 31, 2022 and June 30, 2023 was 0.62 and 1.75 years, and the weighted average discount rate of the operating leases was 10.30% and 10.30%, respectively. Maturities of lease liabilities as of June 30, 2023 were as follows:
| | | |
| | Operating Lease |
Remainder of 2023 | | $ | 135 |
2024 | | | 68 |
Total undiscounted lease payment | | | 203 |
Less: Imputed interest | | | (15) |
Present value of lease liabilities | | $ | 188 |
6. ORDINARY SHARES
Exercise of share options and restricted shares vesting
During the three months ended June 30, 2022 and 2023, 16,799,985 and 5,272,890 Class A ordinary shares were issued due to the exercise of share options or vesting of restricted share units under share-based compensation; and during the six months ended June 30, 2022 and 2023, 16,799,985 and 35,918,641 Class A ordinary shares were issued due to the exercise of share options or vesting of restricted share units under share-based compensation, respectively, among which the vesting of 21,267,315 restricted shares was suspended due to the Stipulation Settlement until January 13, 2023, but expensed according to the original vesting schedule. The catch-up vesting of all suspended shares was applied upon the completion of the settlement (See Note 7).
Stock Repurchase from public market
On November 7, 2022, the Company’s Board of Directors (the “Board”) authorized the repurchase of up to an aggregate of $10.0 million of the Company’s Class A ordinary shares, par value $0.001 per share, to be executed from time to time in open market transactions effected through a broker at prevailing market prices under ordinary principles of best execution within one year after commencement (the “Stock Repurchase Program”). The Stock Repurchase Program took effect on January 16, 2023.
The Stock Repurchase Program does not obligate the Company to repurchase any amount of the Company’s ordinary shares, and may be modified, extended, suspended, or discontinued at any time. The timing and amount of repurchases will be determined by the Company’s management based on a variety of factors such as the market price of the Company’s ordinary shares, the Company’s corporate cash requirements, and overall market conditions. The Stock Repurchase Program is subject to applicable legal requirements, including federal and state securities laws and applicable Nasdaq rules.
For the three months and six months ended June 30, 2023, the Company repurchased 542,569 and 1,221,451 ADSs, excluding the ADSs repurchased from Softbank, representing 24,415,605 and 54,965,295 Class A ordinary shares (each ADS is equivalent to 45 Ordinary Shares) for $704 and $1,953 on the open market, at a weighted average price of $1.30 and $1.60 per ADS, respectively.
Stock Repurchase from SoftBank
On May 23, 2023, the Company entered into a share repurchase agreement (the “Share Repurchase Agreement”) with SoftBank Group Capital Limited (“SoftBank”), pursuant to which the Company repurchased Class A and Class B ordinary shares of 152,870,520, and