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v3.22.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Operating activities |  |
Net loss | $ (2,167) | $ (2,986)
Depreciation | 153 | 203
Amortization of right-of-use assets | 285 | 261
Amortization of imputed interest | (428) | (448)
Interest expense from PPP Loan | 4 | 9
Gain on forgiveness of PPP Loan | (1,417) |
Non-cash cost of operating leases | 580 | 622
Change in receivable reserves | 71 | (57)
Change in inventory reserves | 127 | (535)
Write down of inventory |  | 546
Change in long term payables |  | 4
Proceeds from insurance receivable | 95 | 1,705
Gain on investments |  | (968)
Stock-based compensation | 186 | 3
Other |  | 3
Changes in current operating assets and liabilities: |  |
Accounts receivable | 115 | 1,158
Inventories | (1,883) | 2,139
Prepaid expenses and other assets | (195) | (692)
Income taxes | 397 | (501)
Accounts payable and accrued liabilities | 27 | (3,352)
Deferred revenue | 1,709 | (727)
Net cash used in operating activities | (2,341) | (3,613)
Investing activities |  |
Additions to property, plant and equipment | (237) |
Proceeds from sale of investments |  | 2,436
Change in notes receivable |  | 194
Net cash (used in) / provided by investing activities | (237) | 2,630
Financing activities |  |
Bank overdrafts |  | (374)
Funding from PPP Loan |  | 1,404
Payment of deferred purchase price |  | (397)
Payment of deferred payroll taxes | (100) |
Net proceeds from the exercise of options for common stock | 58 |
Net proceeds from issuance of common stock | 8,663 |
Dividend paid to shareholders | (1,047) |
Principal repayments of financing leases | (864) | (296)
Net cash provided by financing activities | 6,710 | 337
Increase / (decrease) in cash and restricted cash | 4,132 | (646)
Cash, and restricted cash, beginning of year | 7,567 | 8,213
Cash, and restricted cash, end of period | 11,699 | 7,567
Supplemental cash flow information: |  |
Interest paid | 3 | 28
Income taxes paid, net of refunds | (395) | 507
Non-cash investing and financing activities: |  |
Acquisition of right-of-use assets | $ 1,598 |

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