Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Revenues	$ 7,502	$ 8,895
Product and other total
Disaggregation of Revenue [Line Items]
Revenues	1,751	3,080
Hardware
Disaggregation of Revenue [Line Items]
Revenues	850
Software
Disaggregation of Revenue [Line Items]
Revenues	838
Shipping
Disaggregation of Revenue [Line Items]
Revenues	63
Services total
Disaggregation of Revenue [Line Items]
Revenues	5,751	$ 5,815
Support
Disaggregation of Revenue [Line Items]
Revenues	2,192
Hosting
Disaggregation of Revenue [Line Items]
Revenues	1,556
Events
Disaggregation of Revenue [Line Items]
Revenues	1,920
Installs & training
Disaggregation of Revenue [Line Items]
Revenues	83
Intersegment Eliminations
Disaggregation of Revenue [Line Items]
Revenues	(458)
Intersegment Eliminations | Product and other total
Disaggregation of Revenue [Line Items]
Revenues	(227)
Intersegment Eliminations | Hardware
Disaggregation of Revenue [Line Items]
Revenues	(110)
Intersegment Eliminations | Software
Disaggregation of Revenue [Line Items]
Revenues	(117)
Intersegment Eliminations | Shipping
Disaggregation of Revenue [Line Items]
Revenues	0
Intersegment Eliminations | Services total
Disaggregation of Revenue [Line Items]
Revenues	(231)
Intersegment Eliminations | Support
Disaggregation of Revenue [Line Items]
Revenues	(231)
Intersegment Eliminations | Hosting
Disaggregation of Revenue [Line Items]
Revenues	0
Intersegment Eliminations | Events
Disaggregation of Revenue [Line Items]
Revenues	0
Intersegment Eliminations | Installs & training
Disaggregation of Revenue [Line Items]
Revenues	0
SOFO | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	5,867
SOFO | Operating Segments | Product and other total
Disaggregation of Revenue [Line Items]
Revenues	1,516
SOFO | Operating Segments | Hardware
Disaggregation of Revenue [Line Items]
Revenues	812
SOFO | Operating Segments | Software
Disaggregation of Revenue [Line Items]
Revenues	642
SOFO | Operating Segments | Shipping
Disaggregation of Revenue [Line Items]
Revenues	62
SOFO | Operating Segments | Services total
Disaggregation of Revenue [Line Items]
Revenues	4,351
SOFO | Operating Segments | Support
Disaggregation of Revenue [Line Items]
Revenues	1,987
SOFO | Operating Segments | Hosting
Disaggregation of Revenue [Line Items]
Revenues	1,054
SOFO | Operating Segments | Events
Disaggregation of Revenue [Line Items]
Revenues	1,231
SOFO | Operating Segments | Installs & training
Disaggregation of Revenue [Line Items]
Revenues	79
SFI | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	635
SFI | Operating Segments | Product and other total
Disaggregation of Revenue [Line Items]
Revenues	255
SFI | Operating Segments | Hardware
Disaggregation of Revenue [Line Items]
Revenues	139
SFI | Operating Segments | Software
Disaggregation of Revenue [Line Items]
Revenues	115
SFI | Operating Segments | Shipping
Disaggregation of Revenue [Line Items]
Revenues	1
SFI | Operating Segments | Services total
Disaggregation of Revenue [Line Items]
Revenues	380
SFI | Operating Segments | Support
Disaggregation of Revenue [Line Items]
Revenues	189
SFI | Operating Segments | Hosting
Disaggregation of Revenue [Line Items]
Revenues	149
SFI | Operating Segments | Events
Disaggregation of Revenue [Line Items]
Revenues	38
SFI | Operating Segments | Installs & training
Disaggregation of Revenue [Line Items]
Revenues	4
MSKK | Operating Segments
Disaggregation of Revenue [Line Items]
Revenues	1,458
MSKK | Operating Segments | Product and other total
Disaggregation of Revenue [Line Items]
Revenues	207
MSKK | Operating Segments | Hardware
Disaggregation of Revenue [Line Items]
Revenues	9
MSKK | Operating Segments | Software
Disaggregation of Revenue [Line Items]
Revenues	198
MSKK | Operating Segments | Shipping
Disaggregation of Revenue [Line Items]
Revenues	0
MSKK | Operating Segments | Services total
Disaggregation of Revenue [Line Items]
Revenues	1,251
MSKK | Operating Segments | Support
Disaggregation of Revenue [Line Items]
Revenues	247
MSKK | Operating Segments | Hosting
Disaggregation of Revenue [Line Items]
Revenues	353
MSKK | Operating Segments | Events
Disaggregation of Revenue [Line Items]
Revenues	651
MSKK | Operating Segments | Installs & training
Disaggregation of Revenue [Line Items]
Revenues	$ 0