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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
Cash flows from operating activities: |  |
Net loss | $ (17,971) | $ (14,704)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock option compensation expense | 161 | 349
Restricted stock compensation expense | 266 | 308
Depreciation expense | 305 | 617
Loss on disposal of equipment | 1 | 15
Warrant liability fair value adjustment | (12,780) | (564)
Non-cash interest income | (1) | (1)
Debt discount and deferred finance costs amortization | 14,268 | 0
Changes in assets and liabilities: |  |
Decrease in prepaid expenses and other assets | 260 | 9
Increase in accounts receivable | (138) | (52)
(Increase) decrease in inventories | 95 | (420)
Increase (decrease) in accounts payable and accrued expenses | 1,507 | (1,757)
Increase in deferred revenue | 30 | 0
Decrease in other non-current liabilities | (216) | (220)
Net cash used in operating activities | (14,213) | (16,420)
Cash flows from investing activities: |  |
Purchase of property, plant and equipment | (258) | (170)
Increase in restricted cash | (1,087) | 0
Proceeds from sales of property, plant and equipment | 0 | 180
Net cash provided by (used in) investing activities | (1,345) | 10
Cash flows from financing activities: |  |
Increase in restricted cash | (26,200) | 0
Net proceeds from convertible debt financing | 31,226 | 0
Net proceeds from sale of stock and exercise of warrants | 2,383 | 8,655
Net cash provided by financing activities | 7,409 | 8,655
Foreign currency effects on cash and cash equivalents | (49) | (107)
Net decrease in cash and cash equivalents | (8,198) | (7,862)
Cash and cash equivalents: |  |
Beginning of period | 12,607 | 20,469
End of period | 4,409 | 12,607
Supplemental non-cash activities: |  |
Conversion of convertible notes | 649 | 0
Fair value of warrants issued | 28,472 | 4,247
Fair value of warrants exercised | $ 726 | $ 123

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- Definition The noncash expense that accounts for the value of stock or unit options distributed to employees as compensation. + 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 (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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