Amortization of operating lease right-of-use assets
210
204
200
209
Stock-based compensation expense, net
14,156
13,609
13,764
13,153
Realized gain on investments
748
529
404
1,293
Other, net
174
136
289
-295
Accounts receivable, net
11,973
-58
-2,492
17,923
Inventory
958
243
1,058
4,713
Prepaid taxes
4,667
-3,365
2,286
10,103
Prepaid expenses and other current assets
193
1,699
-2,041
1,354
Lease liability
-259
-227
-165
-155
Other long-term liabilities
2,027
1,435
562
350
Accounts payable
3,057
1,022
-183
-4,020
Accrued rebates
13,149
12,685
2,310
4,124
Accrued expenses and other current liabilities
5,438
-6,312
5,786
5,917
Accrued legal settlement
0
0
0
0
Net cash provided by operating activities
74,789
80,382
77,508
39,659
Proceeds from disposal of assets
0
0
0
0
Proceeds from sale of priority review voucher
-
-
0
-
Purchases of property and equipment
3,565
7,148
2,139
1,704
Purchases of investments
258,023
160,033
72,462
350,078
Maturities of available-for-sale securities
-
-
-
289,875
Maturities of investments
100,004
103,598
181,555
-
Net cash (used in) investing activities
-161,584
-63,583
11,163
-4,286
Proceeds from issuance of common stock, net
-
-
0
-
Proceeds from exercise of stock options
15,161
6,501
15,689
3,714
Taxes paid for employee tax withholding related to restricted stock units and taxes paid related to settlement of restricted stock awards-Restricted Stock Units RSU
108
16,960
23
5
Taxes paid for employee tax withholding related to restricted stock units and taxes paid related to settlement of restricted stock awards-Restricted Stock
0
0
0
0
Net cash provided by (used in) financing activities
15,053
-10,459
15,666
3,709
Effect of exchange rate changes on cash and cash equivalents
-1,831
-1,331
-637
-307
Net (decrease) increase in cash and cash equivalents
-73,573
5,009
103,700
38,775
Cash and cash equivalents at beginning of period
501,313
496,304
392,604
344,865
Cash and cash equivalents at end of period
427,740
501,313
496,304
392,604
Unit: Thousand (K) dollars (except for numbers of shares and EPS). Numbers labeled with * are estimated quarterly values.
Time Plot
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