Consolidated Balance Sheets - USD ($) $ in Thousands	Apr. 30, 2017	Jan. 31, 2017
Current assets:
Cash and cash equivalents	$ 2,053	$ 2,902
Restricted cash	403	609
Accounts and contracts receivable, net of allowance for doubtful accounts of $3,720 and $3,716 at April 30, 2017 and January 31, 2017, respectively	16,028	15,830
Inventories, net	13,488	11,960
Prepaid income taxes	221	1,565
Prepaid expenses and other current assets	1,752	2,193
Total current assets	33,945	35,059
Seismic equipment lease pool and property and equipment, net	33,380	43,838
Intangible assets, net	8,720	9,012
Goodwill	3,997	3,997
Non-current prepaid income taxes	1,192
Long-term receivables net of allowance for doubtful accounts of $2,188 at April 30, 2017 and January 31, 2017	4,488	2,780
Other assets	28	28
Total assets	85,750	94,714
Current liabilities:
Accounts payable	1,876	1,929
Current maturities - long-term debt		6,371
Deferred revenue	560	651
Accrued expenses and other current liabilities	4,595	4,514
Total current liabilities	7,031	13,465
Deferred tax liability	296	317
Total liabilities	7,327	13,782
Shareholders' equity:
Preferred stock, $1.00 par value; 1,000 shares authorized; 348 and 343 shares issued and outstanding at April 30, 2017 and January 31, 2017, respectively	7,391	7,294
Common stock, $0.01 par value; 20,000 shares authorized; 14,019 shares issued at April 30, 2017 and January 31, 2017	140	140
Additional paid-in capital	121,625	121,401
Treasury stock, at cost (1,929 shares at April 30, 2017 and January 31, 2017)	(16,858)	(16,858)
Accumulated deficit	(23,310)	(20,451)
Accumulated other comprehensive loss	(10,565)	(10,594)
Total shareholders' equity	78,423	80,932
Total liabilities and shareholders' equity	$ 85,750	$ 94,714