Other current liabilities were as follows: | | | | | | | | | | | | | December 31, | | (in thousands) | 2020 | | 2019 | | Personnel accruals | $ | 7,475 | | | $ | 8,187 | | | Operating lease liabilities | 3,309 | | | 3,523 | | | Accrued interest | 2,506 | | | 2,518 | | | Sales incentives | 2,215 | | | 1,614 | | | Share-based compensation | 442 | | | 5,011 | | | Prepaid revenue contracts | 197 | | | 277 | | | Other accrued expenses and liabilities | 2,565 | | | 2,913 | | | Total other current liabilities | $ | 18,709 | | | $ | 24,043 | |
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