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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Current assets:    
Cash and cash equivalents $ 53,797 $ 34,221
Short-term investments   2,100
Notes receivable 108 58
Accounts receivable, net of allowances for credit losses of $6,631 and $15,982 in 2021 and 2020, respectively 27,445 49,623
Inventories 1,537 6,695
Deferred costs 19 12
Prepaid and other current assets 4,811 5,108
Short-term restricted cash 10,076 12,088
Total current assets 97,793 109,905
Property, plant and equipment, net 602 620
Operating lease right-of-use assets, net 4,734 1,183
Long-term investments 0 0
Deferred tax assets 2,131 4,271
Long-term restricted cash 2,403 2,079
Other long-term assets 616 666
Total assets 108,279 118,724
Current liabilities:    
Accounts payable 19,031 25,120
Income taxes payable 8,787 5,934
Customer advances 231 391
Deferred revenue 80 410
Operating lease liabilities, current 1,411 1,217
Employee payroll and compensation 2,514 2,925
Other current liabilities 3,373 4,045
Total current liabilities 35,427 40,042
Long-term deferred revenue 26 25
Operating lease liabilities, non-current 3,496 256
Other long-term liabilities 979 1,000
Total liabilities 39,928 41,323
Commitments and contingencies (Note 7)
Shareholders' equity:    
Ordinary shares: $0.00375 par value; 250,000 authorized shares; 41,123 and 40,907 shares issued at December 31, 2021 and December 31, 2020, respectively; 36,114 and 35,898 shares outstanding at December 31, 2021 and December 31, 2020, respectively 123 123
Additional paid-in capital 1,266,822 1,266,318
Treasury stock, at cost: 5,009 and 5,009 shares at December 31, 2021 and December 31, 2020, respectively (12,322) (12,322)
Accumulated deficit (1,246,207) (1,240,379)
Accumulated other comprehensive income 59,935 63,661
Total shareholders' equity 68,351 77,401
Total liabilities and shareholders' equity $ 108,279 $ 118,724