UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Oct. 31, 2018	Oct. 31, 2017
Operating activities:
Net income (loss)	$ 750,000	$ (768,000)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Stock-based compensation and modification expense	163,000	711,000
Issuance of common stock for services	8,000	30,000
Depreciation and amortization expense	269,000	132,000
Allowance for doubtful accounts	0	(41,000)
Deferred rent	216,000	151,000
Changes in operating assets and liabilities:
Accounts receivable	(786,000)	(263,000)
Prepaid expenses and other current assets	25,000	(3,000)
Accounts payable	(141,000)	(303,000)
Accrued liabilities	(228,000)	(295,000)
Deferred revenue	124,000	(1,031,000)
Net cash provided by (used in) operating activities	400,000	(1,680,000)
Investing activities:
Purchase of property and equipment	(486,000)	(942,000)
Net cash used in investing activities	(486,000)	(942,000)
Financing activities:
Proceeds from exercise of options	1,076,000	0
Capital lease payments	(40,000)	(13,000)
Net cash provided by (used in) financing activities	1,036,000	(13,000)
Increase/(decrease) in cash and restricted cash	950,000	(2,635,000)
Cash and restricted cash at beginning of period	1,006,000	3,295,000
Cash and restricted cash at end of period	1,956,000	660,000
Non-cash investing activities:
Purchase equipment under capital lease	$ 235,000	$ 0