CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jan. 31, 2017	Apr. 30, 2016
Current assets:
Cash and cash equivalents	$ 3,488	$ 2,585
Accounts receivable, net	2,026	1,312
Prepaid expenses and other current assets	541	443
Total current assets	6,055	4,340
Restricted cash	150	150
Property and equipment, net	672	618
Goodwill	669	669
Total assets	7,546	5,777
Current liabilities:
Accounts payable	1,324	1,896
Accrued liabilities	327	271
Deferred revenue	3,621	3,139
Total current liabilities	5,272	5,306
Other non-current liabilities	234	233
Total liabilities	5,506	5,539
Stockholders’ equity:
Common stock, $.001 par value; 200,000,000 shares authorized; 11,240,423 and 8,974,531shares issued and 10,970,738 and 8,704,846 shares outstanding as of January 31, 2017 and April 30, 2016, respectively	11	9
Treasury stock, at cost, 269,685 common shares as of January 31, 2017 and April 30, 2016	(1,252)	(1,252)
Additional paid-in capital	70,206	63,947
Accumulated deficit	(66,925)	(62,466)
Total stockholders’ equity	2,040	238
Total liabilities and stockholders’ equity	$ 7,546	$ 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.