Condensed Consolidated Statements of Cash Flows - USD ($)
6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Cash flow from operating activities:    
Net loss $ (673,629) $ (770,425)
Adjustment to reconcile net loss to net cash provided by (used in) operating activities:    
Gain from sale of discontinued operations (117,445) (97,418)
Depreciation and amortization 14,398 20,848
Amortization of lease right 59,332 56,960
Fair value of vested stock options 496,190 415,443
Fair value of vested restricted common stock 170,114 153,754
Changes in operating assets and liabilities:    
Accounts receivable 342,389 283,654
Prepaid expenses and other current assets 125,262 6,468
Prepaid royalties (301,110) (367,792)
Deposits and other assets 8,094 0
Accounts payable and accrued expenses 993,845 (24,324)
Deferred revenue 563,209 358,489
Lease liability (62,998) (58,376)
Net cash provided by (used in) operating activities 1,617,651 (22,719)
Cash flow from investing activities:    
Purchase of property and equipment 0 (4,154)
Net cash used in investing activities 0 (4,154)
Cash flow from financing activities:    
Common stock repurchase and retirement (199,374) (113,278)
Net cash used in financing activities (199,374) (113,278)
Effect of exchange rate changes (2,239) (6,501)
Net increase (decrease) in cash and cash equivalents 1,416,038 (146,652)
Cash and cash equivalents, beginning of period 5,353,090 4,908,180
Cash and cash equivalents, end of period 6,769,128 4,761,528
Supplemental disclosures of cash flow information:    
Cash paid for income taxes $ 7,300 $ 16,663