CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 30, 2016
Current assets:
Cash and cash equivalents	$ 12,794	$ 10,262
Short-term investments	24,739	27,491
Trade accounts receivable, net	13,819	15,392
Current portion of notes receivable	1,678	1,533
Income tax receivable	13,290	13,290
Inventories, net	101,765	104,540
Prepaid expenses and other current assets	1,855	1,826
Total current assets	169,940	174,334
Rental equipment, net	26,821	30,973
Property, plant and equipment, net	43,477	44,732
Deferred income tax assets, net	179	216
Non-current notes receivable, net	1,385	1,817
Prepaid income taxes	2,227	2,620
Other assets	80	80
Total assets	244,109	254,772
Current liabilities:
Accounts payable trade	1,767	2,120
Accrued expenses and other current liabilities	7,469	7,849
Deferred revenue	945	174
Income tax payable	90	125
Total current liabilities	10,271	10,268
Deferred income tax liabilities	33	37
Total liabilities	10,304	10,305
Commitments and contingencies (Note 11)
Stockholders’ equity:
Preferred stock
Common stock	134	133
Additional paid-in capital	79,377	77,967
Retained earnings	170,603	182,308
Accumulated other comprehensive loss	(16,309)	(15,941)
Total stockholders’ equity	233,805	244,467
Total liabilities and stockholders’ equity	$ 244,109	$ 254,772