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Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Jan. 31, 2012
Jan. 31, 2011
Current assets:    
Cash and cash equivalents $ 15,287 $ 14,647
Restricted cash 98 0
Accounts receivable, net of allowance for doubtful accounts of $4,391 and $2,666 at January 31, 2012 and 2011, respectively 35,788 17,832
Current portion of contracts receivable 2,273 3,582
Inventories, net 6,708 4,813
Income taxes receivable 0 325
Deferred tax asset 2,594 1,427
Prepaid expenses and other current assets 2,530 2,128
Total current assets 65,278 44,754
Seismic equipment lease pool and property and equipment, net 120,377 79,095
Intangible assets, net 4,696 5,358
Goodwill 4,320 4,320
Prepaid foreign income tax 3,519 3,053
Long-term portion of contracts receivable 0 1,355
Other assets 39 36
Total assets 198,229 137,971
Current liabilities:    
Accounts payable 13,037 5,203
Current maturities--long-term debt 1,399 3,177
Income taxes payable 2,419 1,276
Deferred revenue 543 778
Accrued expenses and other current liabilities 6,583 5,165
Total current liabilities 23,981 15,599
Non-current income taxes payable 5,435 3,482
Deferred tax liability 595 832
Long-term debt 12,784 23,343
Total liabilities 42,795 43,256
Commitments and contingencies (Note 12, 16 and 17)      
Shareholders' equity:    
Preferred stock, $1.00 par value; 1,000 shares authorized; none issued and outstanding      
Common stock $.01 par value; 20,000 shares authorized; 13,556 and 10,872 shares issued at January 31, 2012 and January 31, 2011, respectively 136 109
Additional paid-in capital 113,654 77,419
Treasury stock, at cost (925 shares at January 31, 2012 and 2011) (4,857) (4,843)
Retained earnings 39,297 14,976
Accumulated other comprehensive income 7,204 7,054
Total shareholders' equity 155,434 94,715
Total liabilities and shareholders' equity $ 198,229 $ 137,971