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CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 13,765 $ 15,923
Receivables:    
Trade, net of allowance for doubtful accounts of $3,979 and $3,297, respectively 156,010 130,029
Other 10,247 8,444
Total receivables, net 166,257 138,473
Inventories 172,234 163,784
Prepaid expenses 11,221 10,499
Income taxes receivable 2,409 3,046
Total current assets 365,886 331,725
Property, plant and equipment, net 65,945 65,382
Operating lease right-of-use assets 11,207 12,198
Intangible assets, net of applicable amortization 193,776 197,514
Goodwill 50,505 52,108
Other assets 18,492 18,602
Deferred income tax assets, net 4,213 2,764
Total assets 710,024 680,293
Current liabilities:    
Current installments of other liabilities 909 2,647
Accounts payable 60,946 59,253
Deferred revenue 32,316 43,611
Accrued program costs 53,196 45,441
Accrued expenses and other payables 15,865 16,184
Operating lease liabilities, current 3,664 4,188
Total current liabilities 166,896 171,324
Long-term debt, net 143,423 107,442
Operating lease liabilities, long term 7,692 8,177
Other liabilities, net of current installments 8,453 9,054
Deferred income tax liabilities, net 23,514 23,560
Total liabilities 349,978 319,557
Commitments and contingent liabilities
Stockholders' equity:    
Preferred stock, $.10 par value per share; authorized 400,000 shares; none issued
Common stock, $.10 par value per share; authorized 40,000,000 shares; issued 33,874,322 shares at March 31, 2021 and 33,922,433 shares at December 31, 2020 3,389 3,394
Additional paid-in capital 95,985 96,642
Accumulated other comprehensive loss (11,825) (9,322)
Retained earnings 290,657 288,182
Less treasury stock at cost, 3,061,040 shares (18,160) (18,160)
Total stockholders’ equity 360,046 360,736
Total liabilities and stockholders' equity $ 710,024 $ 680,293