Basis of Presentation and Significant Accounting Policies - Additional Information (Detail)		1 Months Ended	12 Months Ended
	Dec. 22, 2014 USD ($) $ / shares shares	Jun. 30, 2014 USD ($)	Sep. 30, 2016 USD ($) Financial_Institution	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Jan. 14, 2014	Dec. 31, 2013
Basis of Presentation and Significant Accounting Policies [Line Items]
Standard product warranty term minimum			90 days
Standard product warranty term maximum			1 year
Hosting agreement term			1 year
Cash and cash equivalents			$ 1,794,000	$ 1,976,000	$ 4,344,000
Number of major financial institutions with which cash and cash equivalents are deposited | Financial_Institution			2
Accounts receivable, allowances			$ 225,000	$ 150,000
Percentage of product and service of aggregate billing to one distributor			14.00%	10.00%
Percentage of product and service of aggregate billing to second distributor			13.00%	12.00%
Percentage of accounts receivable represented by two distributors			28.00%	22.00%
Percentage of accounts payable represented by two suppliers			40.00%	49.00%
Original maturity of cash and cash equivalents			3 months
Credit period of accounts receivable			30 days
Estimated economic life of the product			3 years
Total amortization expense of software development costs			$ 104,000	$ 178,000
Capitalized internal and external development costs, gross			533,000	533,000
Impairment loss on goodwill			0	0
Advertising expense			403,000	655,000
Legal contingencies expense			428,000
Product right asset related to legal settlement			672,000
Legal contingencies amount			$ 0	$ 0
Warrant [Member]
Basis of Presentation and Significant Accounting Policies [Line Items]
Warrants issued to individuals | shares	74,802
Warrants expiration period	5 years
Exercise price of warrant | $ / shares	$ 14.00
Remaining contractual life of warrants outstanding			3 years 2 months 22 days
Fair value of warrants	$ 133,000
The Company [Member]
Basis of Presentation and Significant Accounting Policies [Line Items]
Payment for legal settlements		$ 1,100,000	$ 1,100,000
Customer Related Litigation [Member]
Basis of Presentation and Significant Accounting Policies [Line Items]
Payment for legal settlements		$ 1,350,000
Mediasite KK [Member]
Basis of Presentation and Significant Accounting Policies [Line Items]
Equity method investment, ownership percentage						74.00%	26.00%
UNITED STATES
Basis of Presentation and Significant Accounting Policies [Line Items]
Cash and cash equivalents			185,000
Japan and Netherlands [Member]
Basis of Presentation and Significant Accounting Policies [Line Items]
Cash and cash equivalents			$ 1,609,000