CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2017	Sep. 30, 2016
Current assets:
Cash and cash equivalents	$ 19,307	$ 10,262
Short-term investments	28,862	27,491
Trade accounts receivable, net	16,709	15,392
Current portion of notes receivable	1,890	1,533
Income tax receivable	483	13,290
Inventories, net	92,103	104,540
Prepaid expenses and other current assets	1,827	1,826
Total current assets	161,181	174,334
Rental equipment, net	24,485	30,973
Property, plant and equipment, net	44,484	44,732
Deferred income tax assets, net	247	216
Non-current notes receivable, net	427	1,817
Prepaid income taxes	1,843	2,620
Other assets	80	80
Total assets	232,747	254,772
Current liabilities:
Accounts payable trade	2,109	2,120
Accrued expenses and other current liabilities	5,301	7,849
Deferred revenue	166	174
Income tax payable	9	125
Total current liabilities	7,585	10,268
Deferred income tax liabilities	27	37
Total liabilities	7,612	10,305
Commitments and contingencies (Note 11)
Stockholders’ equity:
Preferred stock
Common stock	134	133
Additional paid-in capital	80,846	77,967
Retained earnings	159,100	182,308
Accumulated other comprehensive loss	(14,945)	(15,941)
Total stockholders’ equity	225,135	244,467
Total liabilities and stockholders’ equity	$ 232,747	$ 254,772