Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Cash Flows From Operating Activities
Net income (loss)	$ 2,867	$ (38)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation and amortization	646	572
Gain on sale of assets	(46)	(36)
Unrealized (gain) loss	8	0
Allowance for doubtful accounts	0	17
Stock compensation	41	0
Deferred taxes	(4)	16
(Increase) decrease in
Accounts receivable - billed	(1,124)	3,262
Accounts receivable - unbilled	(59)	(646)
Inventories	(153)	71
Prepaid expenses and other assets	104	41
Refundable income taxes	0	(32)
Increase (decrease) in
Accounts payable - trade	701	(511)
Accrued expenses and other liabilities	(211)	(31)
Deferred revenue	521	(271)
Accrued compensation	69	(314)
Accrued income taxes	959	0
Deferred buy-back lease obligation	(301)	(259)
Customer deposits	284	(585)
Net cash provided by (used in) operating activities	4,302	1,256
Cash Flows From Investing Activities
Purchases of investment securities available-for-sale	(7)	(8)
Purchases of property and equipment	(376)	(669)
Proceeds from sale of fixed assets	46	41
Net cash provided by (used in) investing activities	(337)	(636)
Cash Flows From Financing Activities
Proceeds from long-term borrowings	0	2,701
Repayments of long-term borrowings	(195)	(2,205)
Dividends paid on common stock	0	(282)
Net cash provided by (used in) financing activities	(195)	214
Net increase (decrease) in cash	3,770	834
Cash, beginning of period	8,764	1,364
Cash, end of period	12,534	2,198
Supplemental Cash Flow information:
Cash payments for interest	42	56
Cash payments for income taxes	$ 0	$ 1

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Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.

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The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 320
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The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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The cash inflow from a borrowing supported by a written promise to pay an obligation.

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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Amount of cash outflow for short-term and long-term debt and lease obligation.

+ References

No definition available.

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Amount of noncash expense for share-based payment arrangement.

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No definition available.

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Amount of unrealized gain (loss) on investment.

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