CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Apr. 30, 2016	Apr. 30, 2015
Current assets:
Cash and cash equivalents.	$ 2,585	$ 9,357
Accounts receivable, net	1,312	1,060
Prepaid expenses and other current assets	443	346
Total current assets	4,340	10,763
Restricted cash	150	163
Property and equipment, net	618	452
Goodwill	669	669
Total assets	5,777	12,047
Current liabilities:
Accounts payable	1,896	1,414
Accrued liabilities	271	373
Deferred revenue	3,139	2,009
Total current liabilities	5,306	3,796
Other Non-current liability	233	192
Total liabilities	5,539	3,988
Stockholders' equity:
Common stock, $.001 par value; 200,000,000 and 125,000,000 shares authorized; 8,974,531 and 8,962,301 shares issued and 8,704,846 and 8,692,616 shares outstanding as of April 30, 2016 and 2015, respectively	9	9
Treasury stock, at cost, 269,685 common shares as of April 30, 2016 and 2015	(1,252)	(1,252)
Additional paid-in capital	63,947	61,322
Accumulated deficit	(62,466)	(52,020)
Total stockholders' equity	238	8,059
Total liabilities and stockholders' equity	$ 5,777	$ 12,047

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.