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Summary of Significant Accounting Policies (Tables)
3 Months Ended
Mar. 31, 2026
Accounting Policies [Abstract]  
Schedule of Stock-based Compensation Cost Charged Against Income
Stock-based compensation expense for the three months ended March 31, 2026, and 2025, was as follows (in thousands):

Three Months Ended March 31,
 20262025
(Unaudited)
Instructional costs and services$233 $239 
Selling and promotional211 204 
General and administrative1,883 1,820 
Total stock-based compensation expense$2,327 $2,263