CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2018	Apr. 30, 2017
Operating activities:
Net loss	$ (1,476)	$ (6,884)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation and modification expense	1,004	2,662
Depreciation and amortization expense	360	168
Deferred Rent	(454)	0
Deferred Compensation	7	0
Allowance for doubtful accounts	(44)	24
Issuance of common stock for services	30	44
Changes in operating assets and liabilities:
Accounts receivable	(1,600)	(986)
Prepaid expenses and other current assets	13	143
Other long term assets	(9)	(107)
Accounts payable	301	(43)
Accrued liabilities	(90)	412
Other non-current liabilities	30	(44)
Deferred revenue	(206)	1,771
Net cash used in operating activities	(1,226)	(2,840)
Investing activities:
Purchase of property and equipment	(1,229)	(766)
Gain on disposal of fixed assets	3	0
Net cash used in investing activities	(1,226)	(766)
Financing activities:
Proceeds from June 2016 public offering, net of financing costs of $742	0	4,340
Proceeds from exercise of options and warrants	38	0
Capital lease payments	(25)	(24)
Net cash provided by financing activities	13	4,316
Increase (decrease) in cash and cash equivalents	(2,439)	710
Cash and cash equivalents, beginning of year	3,295	2,585
Cash and cash equivalents, end of year	$ 856	$ 3,295