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v3.10.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Cash flows from operating activities |  |
Net loss | $ (27,250) | $ (25,486)
Adjustments to reconcile net loss to net cash used in operations: |  |
Depreciation | 1,722 | 1,141
Amortization of intangible assets | 116 | 116
Share-based compensation expense | 1,061 | 1,288
Inventory write-downs | 4,414 | 1,004
Other non-cash adjustments | 203 | (42)
Change in: |  |
Accounts receivable, net | (461) | 230
Costs and estimated earnings in excess of billings on uncompleted contracts | (307) | (555)
Inventory | (982) | (4,312)
Other current and non-current assets | 663 | (2,314)
Accounts payable | (1,079) | 1,147
Accrued liabilities | (374) | 2,226
Billings in excess of costs and estimated earnings on uncompleted contracts | (5) | (138)
Other currrent liabilities | 12 | 9,964
Other long-term liabilities | (305) | 252
Net cash used in operating activities | (22,572) | (15,479)
Cash flows from investing activities |  |
Proceeds on sale of property and equipment | 0 | 59
Purchases of property and equipment | (1,118) | (3,100)
Net cash used in investing activities | (1,118) | (3,041)
Cash flows from financing activities |  |
Principal payments under capital leases and long-term debt | (12) | 0
Increase in deferred rent | 139 | 0
Net proceeds from issuance of common stock and warrants | 20,363 | 20,347
Net cash provided by financing activities | 20,490 | 20,347
Change in cash and cash equivalents, and restricted cash | (3,200) | 1,827
Cash, cash equivalents and restricted cash at beginning of period | 17,401 | 15,574
Cash, cash equivalents and restricted cash at end of period | 14,201 | 17,401
Supplemental schedule of non-cash investing and financing activities |  |
Property and equipment acquired under capital leases | 66 | 0
Non-cash additions to property and equipment | $ 445 | $ 165

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