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v3.8.0.1

Condensed Consolidated Statements of Cash Flows - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Cash flows from operating activities: |  |  |  |  |
Net income (loss) | $ 7,187,000 | $ (11,332,000) | $ (45,117,000) | $ (17,971,000) | $ (14,704,000)
Adjustments to reconcile net loss to net cash used in operating activities: |  |  |  |  |
Stock option compensation expense | 7,000 | 21,000 | 50,000 | 161,000 | 349,000
Restricted stock compensation expense | 14,000 | 27,000 | 79,000 | 266,000 | 308,000
Depreciation expense | 120,000 | 74,000 | 310,000 | 305,000 | 617,000
Loss on disposal of equipment | 0 | 20,000 | 18,000 | 1,000 | 15,000
Warrant liability fair value adjustment | (14,697,000) | (1,238,000) | (15,103,000) | (12,780,000) | (564,000)
Gain on warrant extinguishment |  |  | (9,613,000) | 0 | 0
Non-cash interest income | (4,000) | (2,000) | (1,000) | (1,000) | (1,000)
Debt discount and deferred finance costs amortization | 0 | 8,363,000 | 21,544,000 | 14,268,000 | 0
Loss on debt settlements and extinguishments |  |  | 29,924,000 | 0 | 0
Changes in assets and liabilities: |  |  |  |  |
Prepaid expenses and other assets | 152,000 | 117,000 | 7,000 | 260,000 | 9,000
Accounts receivable | (24,000) | (94,000) | 108,000 | (138,000) | (52,000)
Inventories | 24,000 | (115,000) | (543,000) | 95,000 | (420,000)
Accounts payable and accrued expenses | 828,000 | 401,000 | 3,180,000 | 1,507,000 | (1,757,000)
Deferred revenue |  |  | (32,000) | 30,000 | 0
Other non-current liabilities | (50,000) | (59,000) | (209,000) | (216,000) | (220,000)
Net cash used in operating activities | (6,443,000) | (3,817,000) | (15,398,000) | (14,213,000) | (16,420,000)
Cash flows from investing activities: |  |  |  |  |
Purchase of property, plant and equipment | (6,000) | (58,000) | (524,000) | (258,000) | (170,000)
Increase in restricted cash |  |  | 0 | (1,087,000) | 0
Proceeds from sales of property, plant and equipment |  |  | 0 | 0 | 180,000
Net cash (used in) provided by investing activities | (6,000) | (58,000) | (524,000) | (1,345,000) | 10,000
Cash flows from financing activities: |  |  |  |  |
Increase in restricted cash |  |  | 0 | (26,200,000) | 0
Net proceeds from the release of restricted cash | 238,000 | 6,091,000 | 13,120,000 | 0 | 0
Net proceeds from sale of stock and exercise of warrants | 4,253,000 | 0 | 15,000 | 2,383,000 | 8,655,000
Net cash provided by financing activities | 4,491,000 | 6,091,000 | 15,445,000 | 7,409,000 | 8,655,000
Net proceeds from sale of Series B and Series C preferred shares |  |  | 2,310,000 | 0 | 0
Net proceeds from convertible note debt financing |  |  | 0 | 31,226,000 | 0
Foreign currency effects on cash and cash equivalents | (12,000) | (221,000) | 67,000 | (49,000) | (107,000)
Increase (decrease) in cash and cash equivalents | (1,970,000) | 1,995,000 | (410,000) | (8,198,000) | (7,862,000)
Cash and cash equivalents: |  |  |  |  |
Beginning of period | 3,999,000 | 4,409,000 | 4,409,000 | 12,607,000 | 20,469,000
End of period | 2,029,000 | 6,404,000 | 3,999,000 | 4,409,000 | 12,607,000
Supplemental non-cash activities: |  |  |  |  |
Conversion of convertible notes | 0 | 12,210,000 | 40,121,000 | 649,000 | 0
Fair value of warrants issued | 18,306,000 | 0 | 16,953,000 | 28,472,000 | 4,247,000
Fair value of warrants exercised | $ 0 | $ 0 | 2,552,000 | 726,000 | 123,000
Cashless exercise of warrants |  |  | 2,537,000 | 0 | 0
Deemed dividend |  |  | 527,000 | 0 | 0
Fair value of warrants exercised for cash |  |  | 19,000 | 726,000 | 123,000
Series A and Series B Preferred Shares [Member] |  |  |  |  |
Cash flows from financing activities: |  |  |  |  |
Release of restricted cash for redemption of preferred shares |  |  | 2,360,000 | 0 | 0
Cash paid to redeem preferred shares |  |  | (2,360,000) | 0 | 0
Series C Preferred Shares [Member] |  |  |  |  |
Cash flows from financing activities: |  |  |  |  |
Release of restricted cash for redemption of preferred shares |  |  | 590,000 | 0 | 0
Cash paid to redeem preferred shares |  |  | (590,000) | 0 | 0
Series C Warrants [Member] |  |  |  |  |
Cash flows from financing activities: |  |  |  |  |
Release of restricted cash for extinguishment of Series C Warrants |  |  | 7,876,000 | 0 | 0
Cash paid to extinguish of Series C Warrants |  |  | $ (7,876,000) | $ 0 | $ 0

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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(22)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(18)) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(20)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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