v3.8.0.1

Quarterly Financial Data (Unaudited) (Tables) | 12 Months Ended
--- | ---
Sep. 30, 2017
Quarterly Financial Information Disclosure [Abstract] |
Summary of Unaudited Quarterly Results | The following is a summary of the unaudited quarterly results for the years ended September 30, 2017 and 2016 (in thousands, except per share data).
|  | First Quarter |  |  | Second Quarter |  |  | Third Quarter |  |  | Fourth Quarter |
Fiscal 2017 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue |  | $ | 17,761 |  |  | $ | 17,503 |  |  | $ | 17,790 |  |  | $ | 20,058 |
Operating income |  |  | 3,268 |  |  |  | 1,677 |  |  |  | 1,743 |  |  |  | 415 |
Net income |  |  | 2,300 |  |  |  | 506 |  |  |  | 720 |  |  |  | 400 |
Basic net income per share (1): |  |  | 0.17 |  |  |  | 0.04 |  |  |  | 0.05 |  |  |  | 0.03 |
Diluted net income per share (1): |  |  | 0.17 |  |  |  | 0.04 |  |  |  | 0.05 |  |  |  | 0.03 |
Fiscal 2016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total revenue |  | $ | 16,541 |  |  | $ | 16,699 |  |  | $ | 19,972 |  |  | $ | 18,154 |
Operating income |  |  | 3,939 |  |  |  | 2,240 |  |  |  | 6,597 |  |  |  | 4,083 |
Net income |  |  | 2,653 |  |  |  | 821 |  |  |  | 3,934 |  |  |  | 2,577 |
Basic net income per share (1): |  |  | 0.20 |  |  |  | 0.06 |  |  |  | 0.31 |  |  |  | 0.20 |
Diluted net income per share (1): |  |  | 0.20 |  |  |  | 0.06 |  |  |  | 0.30 |  |  |  | 0.20 |
| (1) | The sum of the quarterly income per share amounts may not equal the annual income per share total because of changes in the weighted average number of shares outstanding that occurred during the year.

X
- References No definition available. + Details
Name: | us-gaap_QuarterlyFinancialInformationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a)-(j) -URI http://asc.fasb.org/extlink&oid=84173487&loc=d3e1280-108306 + Details
Name: | us-gaap_ScheduleOfQuarterlyFinancialInformationTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration