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v3.7.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Cash flows from operating activities |  |  |
Net loss | $ (16,472) | $ (14,542) | $ (18,120)
Adjustments to reconcile net loss to net cash used in operations: |  |  |
Depreciation | 1,120 | 429 | 414
Amortization of intangible assets | 127 | 128 | 132
Impairment of intangible assets | 0 | 0 | 40
Non-cash share-based compensation expense | 1,223 | 1,007 | 713
Loss on warrant exchange | 0 | 0 | 4,967
Inventory write-downs | 187 | 287 | 42
Other non-cash adjustments | 27 | (62) | (91)
Change in: |  |  |
Accounts receivable, net | 1,442 | (1,018) | (645)
Inventory | (558) | (1,033) | (109)
Other current and non-current assets | (143) | (147) | (155)
Accounts payable | (174) | 493 | (25)
Accrued liabilities | 301 | 590 | 335
Deferred revenue | (2,122) | 8,271 | 0
Billings on uncompleted contracts in excess of related costs | 168 | (230) | (450)
Other long-term liabilities | 53 | 0 | 0
Net cash used in operating activities | (14,821) | (5,827) | (12,952)
Cash flows from investing activities |  |  |
Proceeds on sale of property and equipment | 4 | 0 | 34
Purchases of property and equipment | (895) | (1,140) | (207)
Net cash used in investing activities | (891) | (1,140) | (173)
Cash flows from financing activities |  |  |
Principal payments under capital leases and long-term debt | (15) | 0 | (15)
Net proceeds from issuance of common stock and warrants | 22,978 | 6,506 | 16,114
Net cash provided by financing activities | 22,963 | 6,506 | 16,099
Net increase (decrease) in cash and cash equivalents | 7,251 | (461) | 2,974
Cash and cash equivalents, at beginning of period | 7,888 | 8,349 | 5,375
Cash and cash equivalents, at end of period | 15,139 | 7,888 | 8,349
Supplemental schedule of non-cash investing and financing activities |  |  |
Non-cash additions to property and equipment | 351 | 165 | 101
Issuance of common stock for exchange of warrants | 0 | 0 | 9,869
Issuance of common stock for commitment fee | $ 721 | $ 0 | $ 0

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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