Consolidated Balance Sheets - USD ($) $ in Thousands	Jan. 31, 2017	Jan. 31, 2016
Current assets:
Cash and cash equivalents	$ 2,902	$ 3,769
Restricted cash	609
Accounts and contracts receivable, net of allowance for doubtful accounts of $3,716 and $3,633 at January 31, 2017 and January 31, 2016, respectively	15,830	21,963
Inventories, net	11,960	12,944
Prepaid income taxes	1,565	2,523
Prepaid expenses and other current assets	2,193	1,685
Total current assets	35,059	42,884
Seismic equipment lease pool and property and equipment, net	43,838	73,516
Intangible assets, net	9,012	10,466
Goodwill	3,997	4,155
Deferred tax asset		586
Long-term receivables, net of allowance for doubtful accounts of $2,188 at January 31, 2017 and January 31, 2016	2,780	2,784
Other assets	28	368
Total assets	94,714	134,759
Current liabilities:
Accounts payable	1,929	3,543
Current maturities - long-term debt	6,371	3,218
Deferred revenue	651	326
Accrued expenses and other current liabilities	4,514	5,369
Total current liabilities	13,465	12,456
Deferred tax liability	317
Long-term debt, net of current maturities		17,266
Total liabilities	13,782	29,722
Commitments and contingencies (Note 13, 17 and 18)
Shareholders' equity:
Preferred stock, $1.00 par value; 1,000 shares authorized; 343 issued and outstanding	7,294
Common stock $.01 par value; 20,000 shares authorized; 14,019 shares issued at January 31, 2017 and January 31, 2016	140	140
Additional paid-in capital	121,401	120,664
Treasury stock, at cost (1,929 and 1,928 shares at January 31, 2017 and 2016, respectively)	(16,858)	(16,854)
(Accumulated deficit) retained earnings	(20,451)	13,188
Accumulated other comprehensive loss	(10,594)	(12,101)
Total shareholders' equity	80,932	105,037
Total liabilities and shareholders' equity	$ 94,714	$ 134,759