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Selected Quarterly Information (Unaudited) (Tables) | 12 Months Ended
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Sep. 30, 2017
Quarterly Financial Information Disclosure [Abstract] |
Summarized Data for Each of the Quarters | The following table represents summarized data for each of the quarters in fiscal years 2017 and 2016 (in thousands, except per share amounts):
|  | 2017 |
|  | Fourth Quarter |  |  | Third Quarter |  |  | Second Quarter |  | First Quarter |
Revenue |  | $ | 23,683 |  |  | $ | 14,195 |  |  | $ | 20,558 |  |  | $ | 15,285 |
Gross profit (loss) |  |  | (9,686 | ) |  |  | (5,112 | ) |  |  | (2,558 | ) |  |  | (3,327 | )
Loss from operations |  |  | (18,178 | ) |  |  | (13,774 | ) |  |  | (11,060 | ) |  |  | (11,311 | )
Other income (expense), net |  |  | 231 |  |  |  | 46 |  |  |  | (102 | ) |  |  | 40 |
Net loss |  |  | (19,207 | ) |  |  | (14,376 | ) |  |  | (11,503 | ) |  |  | (11,705 | )
Basic loss per share |  | $ | (1.46 | ) |  | $ | (1.09 | ) |  | $ | (0.88 | ) |  | $ | (0.89 | )
Diluted loss per share |  | $ | (1.46 | ) |  | $ | (1.09 | ) |  | $ | (0.88 | ) |  | $ | (0.89 | )
|  | 2016 |
|  | Fourth Quarter |  |  | Third Quarter |  |  | Second Quarter |  | First Quarter |
Revenue |  | $ | 16,314 |  |  | $ | 17,678 |  |  | $ | 14,931 |  |  | $ | 13,137 |
Gross profit (loss) |  |  | (5,467 | ) |  |  | (2,900 | ) |  |  | (4,594 | ) |  |  | (6,402 | )
Loss from operations |  |  | (14,816 | ) |  |  | (12,015 | ) |  |  | (13,987 | ) |  |  | (14,692 | )
Other income (expense), net |  |  | 2 |  |  |  | (617 | ) |  |  | 719 |  |  |  | 73 |
Net loss |  |  | (12,309 | ) |  |  | (11,654 | ) |  |  | (10,965 | ) |  |  | (11,042 | )
Basic loss per share |  | $ | (0.94 | ) |  | $ | (0.89 | ) |  | $ | (0.84 | ) |  | $ | (0.85 | )
Diluted loss per share |  | $ | (0.94 | ) |  | $ | (0.89 | ) |  | $ | (0.84 | ) |  | $ | (0.85 | )
Impact of Restatement on Balance Sheets for Quarterly Information | The impact of the restatement on these balance sheets was as follows (in thousands):
|  | AS OF DECEMBER 31, 2016 |
|  | As Reported |  |  | Adjustment |  |  | Restated |
Current assets: |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 12,794 |  |  | $ | - |  |  | $ | 12,794 |
Short-term investments |  |  | 24,739 |  |  |  | - |  |  |  | 24,739 |
Trade accounts receivable, net |  |  | 13,819 |  |  |  | - |  |  |  | 13,819 |
Financing receivables, net |  |  | 1,678 |  |  |  | - |  |  |  | 1,678 |
Income tax receivable |  |  | 13,290 |  |  |  | - |  |  |  | 13,290 |
Inventories |  |  | 101,765 |  |  |  | (77,089 | ) |  |  | 24,676 |
Prepaid and other current assets |  |  | 1,855 |  |  |  | - |  |  |  | 1,855 |
Total current assets |  |  | 169,940 |  |  |  | (77,089 | ) |  |  | 92,851 |
Rental equipment |  |  | 26,821 |  |  |  | - |  |  |  | 26,821 |
Property, plant and equipment |  |  | 43,477 |  |  |  | - |  |  |  | 43,477 |
Non-current inventories |  | - |  |  |  | 77,089 |  |  |  | 77,089 |
Deferred income tax assets, net |  |  | 179 |  |  |  | - |  |  |  | 179 |
Non-current financing receivables, net |  |  | 1,385 |  |  |  | - |  |  |  | 1,385 |
Prepaid income taxes |  |  | 2,227 |  |  |  | - |  |  |  | 2,227 |
Other assets |  |  | 80 |  |  |  | - |  |  |  | 80 |
Total assets |  |  | 244,109 |  |  |  | - |  |  |  | 244,109 |
Total liabilities and stockholders' equity |  | $ | 244,109 |  |  | $ | - |  |  | $ | 244,109 |
|  | AS OF MARCH 31, 2017 |
|  | As Reported |  |  | Adjustment |  |  | Restated |
Current assets: |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 19,307 |  |  | $ | - |  |  | $ | 19,307 |
Short-term investments |  |  | 28,862 |  |  |  | - |  |  |  | 28,862 |
Trade accounts receivable, net |  |  | 16,709 |  |  |  | - |  |  |  | 16,709 |
Financing receivables, net |  |  | 1,890 |  |  |  | - |  |  |  | 1,890 |
Income tax receivable |  |  | 483 |  |  |  | - |  |  |  | 483 |
Inventories |  |  | 92,103 |  |  |  | (69,448 | ) |  |  | 22,655 |
Prepaid and other current assets |  |  | 1,827 |  |  |  | - |  |  |  | 1,827 |
Total current assets |  |  | 161,181 |  |  |  | (69,448 | ) |  |  | 91,733 |
Rental equipment |  |  | 24,485 |  |  |  | - |  |  |  | 24,485 |
Property, plant and equipment |  |  | 44,484 |  |  |  | - |  |  |  | 44,484 |
Non-current inventories |  | - |  |  |  | 69,448 |  |  |  | 69,448 |
Deferred income tax assets, net |  |  | 247 |  |  |  | - |  |  |  | 247 |
Non-current financing receivables, net |  |  | 427 |  |  |  | - |  |  |  | 427 |
Prepaid income taxes |  |  | 1,843 |  |  |  | - |  |  |  | 1,843 |
Other assets |  |  | 80 |  |  |  | - |  |  |  | 80 |
Total assets |  |  | 232,747 |  |  |  | - |  |  |  | 232,747 |
Total liabilities and stockholders' equity |  | $ | 232,747 |  |  | $ | - |  |  | $ | 232,747 |
|  | AS OF JUNE 30, 2017 |
|  | As Reported |  |  | Adjustment |  |  | Restated |
Current assets: |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents |  | $ | 17,077 |  |  | $ | - |  |  | $ | 17,077 |
Short-term investments |  |  | 36,461 |  |  |  | - |  |  |  | 36,461 |
Trade accounts receivable, net |  |  | 8,327 |  |  |  | - |  |  |  | 8,327 |
Financing receivables, net |  |  | 2,614 |  |  |  | - |  |  |  | 2,614 |
Income tax receivable |  |  | 473 |  |  |  | - |  |  |  | 473 |
Inventories |  |  | 88,024 |  |  |  | (65,642 | ) |  |  | 22,382 |
Prepaid and other current assets |  |  | 1,854 |  |  |  | - |  |  |  | 1,854 |
Total current assets |  |  | 154,830 |  |  |  | (65,642 | ) |  |  | 89,188 |
Rental equipment |  |  | 20,551 |  |  |  | - |  |  |  | 20,551 |
Property, plant and equipment |  |  | 43,432 |  |  |  | - |  |  |  | 43,432 |
Non-current inventories |  | - |  |  |  | 65,642 |  |  |  | 65,642 |
Deferred income tax assets, net |  |  | 267 |  |  |  | - |  |  |  | 267 |
Non-current financing receivables, net |  |  | 588 |  |  |  | - |  |  |  | 588 |
Prepaid income taxes |  |  | 1,464 |  |  |  | - |  |  |  | 1,464 |
Other assets |  |  | 641 |  |  |  | - |  |  |  | 641 |
Total assets |  |  | 221,773 |  |  |  | - |  |  |  | 221,773 |
Total liabilities and stockholders' equity |  | $ | 221,773 |  |  | $ | - |  |  | $ | 221,773 |

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