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STATEMENTS OF CASH FLOWS - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Operating Activities: |  |
Net loss | $ (4,615,000) | $ (5,577,000)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 477,000 | 1,647,000
Impairment loss | 159,000 | 2,014,000
Gain on sale of custom print business | (195,000) | 0
Loss on sale of property and equipment | 35,000 | 0
Changes in allowance for doubtful accounts | 203,000 | 43,000
Deferred income tax benefit | 0 | (462,000)
Stock-based compensation expense | 172,000 | 422,000
Changes in operating assets and liabilities: |  |
Accounts receivable | 1,679,000 | 1,161,000
Inventories | 135,000 | 31,000
Income tax receivable | (115,000) | 1,000
Prepaid expenses and other | (327,000) | (69,000)
Accounts payable | 115,000 | (224,000)
Accrued liabilities | 623,000 | (1,166,000)
Accrued income taxes | 34,000 | 30,000
Deferred revenue | 40,000 | (162,000)
Net cash used in operating activities | (1,580,000) | (2,311,000)
Investing Activities: |  |
Purchases of property and equipment | (61,000) | (398,000)
Purchases of held to maturity investments | 0 | (4,981,000)
Proceeds from sale of custom print business | 200,000 | 0
Proceeds from sale of held to maturity investments | 0 | 4,981,000
Net cash provided by (used in) investing activities | 139,000 | (398,000)
Financing Activities: |  |
Cash dividends paid ($4.90 per share) | (14,000) | (14,000)
Proceeds from issuance of common stock | 20,000 | 108,000
Repurchase of common stock upon vesting of restricted stock awards and vesting of restricted stock units | (1,000) | (35,000)
Proceeds from PPP loan | 1,054,000 | 0
Net cash provided by financing activities | 1,059,000 | 59,000
Decrease in cash and cash equivalents | (382,000) | (2,650,000)
Cash and cash equivalents at beginning of year | 7,510,000 | 10,160,000
Cash and cash equivalents at end of year | 7,128,000 | 7,510,000
Supplemental disclosures for cash flow information: |  |
Cash paid (refunded) during the year for income taxes | (112,000) | 8,000
Non-cash investing and financing activities: |  |
Purchase of property and equipment included in accounts payable | 11,000 | 0
Cash dividends declared included in accounts payable | 0 | 28,000
Receivable recorded from sale of custom print business | 100,000 | 0
Receivables recorded from sale of property and equipment | 195,000 | 0
Common stock issued for accrued liabilities | $ 9,000 | $ 0

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