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CONSOLIDATED BALANCE SHEETS (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2013
Apr. 30, 2012
ASSETS    
Cash and cash equivalents $ 9,561 $ 4,754
Accounts receivable, net 500 584
Prepaid expenses and other current assets 315 205
Total current assets 10,376 5,543
Restricted cash 192 150
Property and equipment, net 414 560
Goodwill 669 669
Total assets 11,651 6,922
LIABILITIES, REDEEMABLE COMMON STOCK AND STOCKHOLDERS' DEFICIT    
Accounts payable 1,204 1,676
Accrued liabilities 611 625
Deferred revenue 1,114 1,185
Total current liabilities 2,929 3,486
Warrant liability 1,046 555
Total liabilities 3,975 4,041
Redeemable common stock; $0001 par value; 31,133,333 and 12,533,333 contingently puttable common shares outstanding as of April 30, 2013 and 2012, respectively 16,882 8,159
Stockholders' deficit:    
Preferred stock, $10 par value; 56,075 shares authorized; no shares issued and outstanding as of April 30, 2013 and 2012 0 0
Common stock, $001 par value; 125,000,000 shares authorized including redeemable common stock; 38,855,003 and 37,740,345 shares issued and 35,643,658 and 34,529,000 shares outstanding as of April 30, 2013 and 2012, respectively 39 38
Treasury stock, at cost, 3,236,000 common shares as of April 30, 2013 and 2012 (1,252) (1,252)
Additional paid-in capital 23,580 21,204
Accumulated deficit (31,473) (25,143)
Accumulated other comprehensive loss (100) (125)
Total stockholders' deficit (9,206) (5,278)
Total liabilities, redeemable common stock and stockholders' deficit $ 11,651 $ 6,922