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v3.20.4

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Cash flows provided by (used in) operating activities: |  |
Net income (loss) | $ 76 | $ (647)
Depreciation and amortization | 22 | 56
Non-cash lease expense | 118 | 28
Gain on sale of investment in DSIT, net of income taxes and transaction costs |  | (50)
Forgiveness of SBA PPP loan | (421) |
Stock-based compensation | 35 | 22
Professional fees paid in common stock |  | 18
Change in operating assets and liabilities: |  |
Decrease (increase) in accounts receivable | 354 | (297)
Decrease (increase) in inventory | 55 | (30)
Increase in deferred charges, other current assets and other assets | 176 | 24
Increase in deferred revenue | 59 | 434
Decrease in amounts due to former directors |  | (323)
Increase in operating lease liability | (78) | (47)
Increase (decrease) in accounts payable, accrued expenses, other current liabilities and non-current liabilities | 68 | (409)
Net cash provided by (used in) operating activities | 464 | (1,221)
Cash flows used in investing activities: |  |
Purchases of software | (93) | (162)
Payments made for patent filings | (8) | (3)
Purchase of non-controlling interest in OmniMetrix |  | (950)
Net cash provided by (used in) investing activities | (101) | (1,115)
Cash flows provided by financing activities: |  |
Short-term credit, net | 13 | 136
Proceeds from rights offering, net of expenses of $208 |  | 2,184
Proceeds from SBA PPP loans, net of repayments | 421 |
Stock option exercise proceeds | 19 |
Net cash provided by financing activities | 453 | 2,320
Net increase (decrease) in cash, cash equivalents and restricted cash | 816 | (16)
Cash, cash equivalents and restricted cash at the beginning of the year | 1,247 | 1,263
Cash, cash equivalents and restricted cash at the end of the year | 2,063 | 1,247
Cash, cash equivalents and restricted cash consist of the following: End of period |  |
Cash and cash equivalents | 2,063 | 1,247
Restricted cash |  |
Cash, cash equivalents and restricted cash End of year | 2,063 | 1,247
Cash, cash equivalents and restricted cash consist of the following: Beginning of year |  |
Cash and cash equivalents | 1,247 | 973
Restricted cash |  | 290
Cash, cash equivalents and restricted cash Beginning of period | 1,247 | 1,263
Cash paid during the year for: |  |
Interest | 30 | 21
Income taxes |  |
Non-cash investing and financing activities: |  |
Purchase of equipment under installment agreement |  | 7
Forgiveness of SBA PPP loan | 421 |
Right-of-use assets, net of deferred rent |  | 641
Operating lease liability |  | 634
Accrued preferred dividends to former Acorn director and former CEO of OmniMetrix (see Note 3) | $ 4 | $ 42

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