CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands |
9 Months Ended |
12 Months Ended |
Sep. 30, 2015 |
Sep. 30, 2014 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Cash flows from operating activities |
|
|
|
|
| Net loss |
$ (10,555)
|
$ (13,964)
|
$ (18,978)
|
$ (27,450)
|
| Adjustments to reconcile net loss to net cash used in operating activities |
|
|
|
|
| Stock based compensation |
432
|
492
|
625
|
796
|
| Share-based consulting and other services |
219
|
233
|
307
|
94
|
| Allowance for doubtful accounts |
81
|
24
|
14
|
16
|
| Bad debt write-off |
|
|
257
|
0
|
| Inventory reserve |
|
|
200
|
0
|
| Gain from non-monetary exchange |
|
|
(65)
|
0
|
| Depreciation and amortization |
2,876
|
2,862
|
3,871
|
2,370
|
| Change in fair value of derivative liabilities |
(1,567)
|
0
|
|
|
| Impairment |
|
|
0
|
933
|
| Accretion of financing instruments |
|
|
0
|
176
|
| Inducement expense |
|
|
0
|
391
|
| Other expense |
|
|
0
|
10,068
|
| Other income |
|
|
(440)
|
0
|
| Non-cash interest expense |
|
|
0
|
601
|
| Amortization of offering costs |
163
|
0
|
|
|
| Non-monetary transaction |
43
|
(65)
|
|
|
| Payment made in stock (payroll and consultants) |
1,323
|
0
|
|
|
| Reversal of accrued bonus expense |
|
|
(25)
|
(2,335)
|
| Inventory write-off |
|
|
159
|
0
|
| Changes in assets and liabilities |
|
|
|
|
| Accounts receivable |
(532)
|
(185)
|
(185)
|
(804)
|
| Inventory |
529
|
(1,369)
|
(1,676)
|
(2,621)
|
| Prepaid expenses and other current assets |
132
|
(22)
|
(3)
|
293
|
| Accounts payable |
486
|
(1,153)
|
(973)
|
1,186
|
| Accrued expenses |
94
|
248
|
359
|
21
|
| Accrued interest and fees |
|
|
0
|
1,300
|
| Deferred revenue - related party |
(252)
|
0
|
0
|
480
|
| Due to related parties |
1,384
|
805
|
1,934
|
91
|
| Net cash used in operating activities |
(5,144)
|
(12,094)
|
(14,619)
|
(14,395)
|
| Cash flows from investing activities |
|
|
|
|
| Capital expenditures for property and equipment |
(160)
|
(114)
|
(134)
|
(294)
|
| Capitalization of intangible assets |
(1,716)
|
(1,105)
|
(1,771)
|
(2,602)
|
| Net cash used in investing activities |
(1,876)
|
(1,219)
|
(1,905)
|
(2,896)
|
| Cash flows from financing activities |
|
|
|
|
| Repayment of capital lease obligations |
(29)
|
(92)
|
(123)
|
(123)
|
| Proceeds from issuance of convertible preferred stock, common stock and warrants, net of offering costs |
1,977
|
0
|
664
|
0
|
| Proceeds from issuance of convertible notes payable |
1,470
|
0
|
0
|
450
|
| Principle repayments on convertible notes payable |
(702)
|
|
|
|
| Proceeds from issuance of common stock and warrants, net of offering costs |
4,670
|
9,777
|
|
|
| Proceeds from issuance of common stock |
17
|
0
|
11,224
|
17,340
|
| Proceeds from convertible bridge loan payable ($2,727 to related party) |
|
|
0
|
4,994
|
| Repayment of convertible bridge loan payable |
|
|
0
|
(125)
|
| Proceeds from issuance of warrants |
|
|
0
|
1
|
| Net cash provided by financing activities |
7,403
|
9,685
|
11,765
|
22,537
|
| Net increase (decrease) in cash |
383
|
(3,628)
|
(4,759)
|
5,246
|
| Cash, beginning of period |
758
|
5,517
|
5,517
|
271
|
| Cash, end of period |
1,141
|
1,889
|
758
|
5,517
|
| Cash paid for interest |
240
|
0
|
|
|
| Cash paid for taxes |
0
|
0
|
|
|
| Supplemental cash flow disclosures of investing and financing activities |
|
|
|
|
| Issuance of Common stock in connection with conversion of amounts due to related party |
1,756
|
0
|
|
|
| Common stock issued in connection with conversion of preferred stock and deemed dividend |
5,677
|
0
|
17
|
|
| Conversion of amounts of due to related parties into Series B Preferred, common stock and warrants |
1,003
|
0
|
|
|
| Reclassification of derivative liabilities to stockholders’ equity upon the exercise of warrants |
1,197
|
|
270
|
0
|
| Amortization of commitment fees |
135
|
45
|
294
|
0
|
| Issuance of common stock in connection with the payment of a bonus |
0
|
195
|
272
|
0
|
| Issuance of common stock in connection with the repayment of accrued interest |
$ 90
|
$ 90
|
|
|
| Stock issued as payment for interest on convertible note |
|
|
180
|
180
|
| Reclassification of inventory to fixed asset |
|
|
163
|
0
|
| Reclassification of fixed asset to inventory |
|
|
0
|
293
|
| Stock issued as payment of fees on convertible preferred stock |
|
|
17
|
0
|
| Conversion of note payable |
|
|
|
15,000
|
| Conversion of convertible bridge loan payable including interest and fees |
|
|
0
|
9,023
|
| Interest and fees refinanced under the bridge loan |
|
|
0
|
5,408
|
| Due to related party refinanced under the bridge loan |
|
|
0
|
1,393
|
| Related party amount refinanced under the bridge loan |
|
|
0
|
1,013
|
| Capital lease obligation for property and equipment |
|
|
$ 0
|
$ 370
|