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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Cash and cash equivalents | $ 38,903 | $ 23,076
Short-term investments | 21,531 | 26,343
Allowance for bad debt | 562 | 392
Prepaid expenses and other current assets | 4,869 | 6,219
Property and equipment, net | 90,132 | 95,226
Other non-current assets | 1,092 | 619
Accrued expenses | 12,751 | 10,576
Deferred revenue | 909 | 951
Long-term debt, current portion | 1,165 | 1,122
Other current liabilities | 3,700 | 3,200
Debt discount | 156 | 203
Other non-current liabilities | $ 363 | $ 26
Preferred stock, par value (in dollars per share) | $ 0.001 | $ 0.001
Preferred stock, shares authorized (in shares) | 10,000,000 | 10,000,000
Preferred stock, shares issued (in shares) | 0 | 0
Preferred stock, shares outstanding (in shares) | 0 | 0
Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001
Common stock, shares authorized (in shares) | 100,000,000 | 100,000,000
Common stock, shares issued (in shares) | 20,044,105 | 19,988,482
Common stock, shares outstanding (in shares) | 20,021,105 | 19,965,482
Treasury stock, par value (in dollars per share) | $ 0.001 | $ 0.001
Treasury stock, shares (in shares) | 23,000 | 23,000
VIE, Primary Beneficiary |  |
Cash and cash equivalents | $ 1,210 | $ 13,566
Short-term investments | 11,128 | 0
Prepaid expenses and other current assets | 58 | 82
Property and equipment, net | 43,275 | 44,185
Other non-current assets | 42 | 53
Accounts payable | 67 | 63
Accrued expenses | 366 | 591
Deferred revenue | 0 | 116
Long-term debt, current portion | 1,165 | 1,122
Other current liabilities | 2,186 | 1,302
Debt discount | 156 | 203
Long-term debt, net of current portion | 47,565 | 48,396
Other non-current liabilities | $ 116 | $ 0

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