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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Cash flows from operating activities: |  |
Net (loss) income | $ (444) | $ 677
Less: loss from discontinued operations, net of taxes of $0 | (267) | (363)
(Loss) income from continuing operations, net of taxes | (177) | 1,040
Adjustments to reconcile (loss) income from continuing operations to cash (used in) provided by operating activities: |  |
Depreciation and amortization | 641 | 731
Amortization of debt discount/debt issuance costs | 67 | 18
Deferred tax expense | 7 | 36
Provision for bad debt reserves | 37 | 8
Gain on disposal of property and equipment | (1) | (25)
Gain on exchange offer of Series B Preferred Stock of subsidiary |  | (1,659)
Issuance of common stock for services | 122 | 125
Stock-based compensation | 84 | 91
Changes in operating assets and liabilities of continuing operations |  |
Accounts receivable | (49) | 1,857
Unbilled receivables | (3,053) | 1,584
Prepaid expenses, inventories and other assets | 281 | 773
Accounts payable, accrued expenses and unearned revenue | 1,178 | (1,922)
Cash (used in) provided by continuing operations | (863) | 2,657
Cash used in discontinued operations | (334) | (322)
Cash (used in) provided by operating activities | (1,197) | 2,335
Cash flows from investing activities: |  |
Purchases of property and equipment | (312) | (554)
Proceeds from sale of property and equipment | 32 | 26
Cash used in investing activities of continuing operations | (280) | (528)
Cash provided by investing activities of dicontinued operations | 44 | 36
Cash used in investing activities | (236) | (492)
Cash flows from financing activities: |  |
Repayments of revolving credit borrowings | (23,816) | (28,048)
Borrowing on revolving credit | 23,177 | 28,048
Proceeds from issuance of long-term debt - related party | 2,500 |
Proceeds from finance leases | 120 |
Principal repayments of finance lease liabilities | (101) | (5)
Principal repayments of long term debt | (610) | (610)
Payment of debt issuance costs | (90) |
Proceeds from issuance of common stock upon exercise of options |  | 36
Cash provided by (used in) financing activities of continuing operations | 1,180 | (579)
Effect of exchange rate changes on cash | 15 | (12)
Decrease (increase) in cash and finite risk sinking fund (restricted cash) | (238) | 1,252
Cash and finite risk sinking fund (restricted cash) at beginning of period | 16,781 | 16,739
Cash and finite risk sinking fund (restricted cash) at end of period | 16,543 | 17,991
Supplemental disclosure: |  |
Interest paid | 184 | 115
Income taxes paid | 121 | 160
Equipment purchase subject to capital lease | 22 | 213
Issuance of Common Stock with debt | 263 |
Issuance of Warrant with debt | $ 93 |

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- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3521-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3536-108585 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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