CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Apr. 30, 2017	Apr. 30, 2016
Current assets:
Cash and cash equivalents	$ 3,295	$ 2,585
Accounts receivable, net	2,274	1,312
Prepaid expenses and other current assets	300	443
Total current assets	5,869	4,340
Restricted cash	150	150
Property and equipment, net	1,216	618
Other long term assets	107	0
Goodwill	669	669
Total assets	8,011	5,777
Current liabilities:
Accounts payable	1,852	1,896
Accrued liabilities	685	271
Deferred revenue	4,910	3,139
Total current liabilities	7,447	5,306
Other non-current liabilities	164	233
Total liabilities	7,611	5,539
Stockholders' equity:
Common stock, $.001 par value; 200,000,000 shares authorized; 11,251,844 and 8,974,531 shares issued and 10,982,159 and 8,704,846 shares outstanding as of April 30, 2017 and 2016, respectively	11	9
Treasury stock, at cost, 269,685 common shares as of April 30, 2017 and 2016	(1,252)	(1,252)
Additional paid-in capital	70,991	63,947
Accumulated deficit	(69,350)	(62,466)
Total stockholders' equity	400	238
Total liabilities and stockholders' equity	$ 8,011	$ 5,777

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.