| -31.1 | -38 | -44.2 | -44.7 | -43 | -33.2 | | | | | | | | |
| | | | | | | | | | | | | | |
Depreciation & Amortization | 4 | 3.7 | 3.7 | 3.8 | 3.4 | 4.8 | | | | | | | | |
| | | | | | | | | | | | | | |
Depreciation and Amortization | | | | | | | | | | | | | | |
Share-Based Compensation Expense | 7.9 | 7.9 | 7.9 | 7.3 | 6 | 8.1 | | | | | | | | |
Stock-Based Compensation Expense | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
| 5.1 | 5.1 | 5.1 | 8.3 | 4.2 | 6.3 | | | | | | | | |
Provision for Inventory Reserve | | | | | | | | | | | | | | |
Amortization of Deferred Costs | | | | | | | | | | | | | | |
Non-Cash Operating Lease Expense | | | | | | | | | | | | | | |
Loss on Retirement of Property, Plant and Equipment | | | | | | | | | | | | | | |
Gain on Forgiveness of PPP Loan | | | | | | | | | | | | | | |
Loss on Write-Off of Deferred Stock Issuance Costs | | | | | | | | | | | | | | |
Changes in Trade Receivables | — | — | — | -4.3 | — | — | | | | | | | | |
Change in Accounts Receivable | | | | | | | | | | | | | | |
Change in Accounts Receivable | | | | | | | | | | | | | | |
| -2 | -2.8 | -3.1 | -5.8 | -2.2 | -1 | | | | | | | | |
| | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
Changes in Accounts Payable | 3.1 | 0 | 3.8 | 5.9 | 2.7 | 1.8 | | | | | | | | |
Change in Accounts Payable | | | | | | | | | | | | | | |
Change in Accounts Payable | | | | | | | | | | | | | | |
Changes in Accrued Expenses | 0.1 | 1 | -1.1 | -0.7 | -0.6 | -6.2 | | | | | | | | |
Change in Accrued Liabilities | | | | | | | | | | | | | | |
Change in Accrued and Other Current Liabilities | | | | | | | | | | | | | | |
Changes in Unearned Revenue | -1.1 | -2.3 | -1.5 | -1.8 | -1.9 | -1.3 | | | | | | | | |
Change in Deferred Revenue | | | | | | | | | | | | | | |
Change in Deferred Revenue | | | | | | | | | | | | | | |
Changes in Other Operating Activities | -4.3 | -2.7 | -2.6 | -1.3 | -1.8 | -2.7 | | | | | | | | |
| | | | | | | | | | | | | | |
Change in Prepaid Expenses and Other Current Assets | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
Change in Prepaid Expenses and Other Current Assets | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | |
Change in Operating Lease Liabilities | | | | | | | | | | | | | | |
Cash from Operating Activities | -33.7 | -34 | -37.7 | -33.4 | -32.1 | -38.1 | | | | | | | | |
Net Cash Provided by Operating Activities | | | | | | | | | | | | | | |