Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2015	Sep. 30, 2015
Accounts receivable, allowances	$ 100	$ 150
Customer relationships, amortization	524	457
Software development costs, amortization	474	429
Product rights, amortization	195	164
Other intangibles, amortization	$ 207	$ 190
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	4,376,456	4,376,456
Common stock, shares outstanding	4,363,740	4,363,740
Treasury stock, shares	12,716	12,716
5% Preferred Stock, Series B, Voting, Cumulative, Convertible [Member]
Preferred stock, par value (usd per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, issued	0	0
Preferred stock, dividend rate	5.00%	5.00%