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v3.8.0.1

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Cash flows from operating activities: |  |
Net loss | $ (6,143) | $ (6,121)
Adjustments to reconcile net loss from operations to net cash used in operating activities: |  |
Stock-based compensation | 242 | 954
Amortization | 7 | 8
Depreciation | 386 | 344
Net loss on sale of available-for-sale investments | 34 | 60
Changes in assets and liabilities: |  |
Accounts receivable | 136 | (595)
Cost, estimated earnings and billings, net on uncompleted contracts | 0 | 451
Accounts payable | 26 | (46)
Other assets and liabilities | (537) | 168
Net cash used in operating activities | (5,849) | (4,777)
Cash flows from investing activities: |  |
Sale of available-for-sale investments | 3,615 | 3,744
Maturities of available-for-sale securities | 700 | 3,090
Purchases of property and equipment | (14) | (241)
Net cash provided by investing activities | 4,301 | 6,593
Cash flows from financing activities: |  |
Payments for purchase of treasury stock | (3) | (1,283)
Net cash used in financing activities | (3) | (1,283)
Net change in cash and cash equivalents | (1,551) | 533
Cash and cash equivalents at beginning of period | 2,184 | 4,399
Cash and cash equivalents at end of period | 633 | 4,932
Supplemental disclosures of cash flow information: |  |
Cash paid for interest | 0 | 0
Income taxes paid | $ 0 | $ 0

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- Definition This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26805-111562 + Details
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