Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 12,934,703	$ 8,896,468
Prepaid expenses, deposits and other current assets	772,736	769,946
Total current assets	13,707,439	9,666,414
Property and equipment, net	405,925	460,652
Intangible asset	8,639,000	8,639,000
Goodwill	6,929,258	6,929,258
Other assets	262,214	450,491
Total assets	29,943,836	26,145,815
Current liabilities:
Current portion of convertible debt		550,000
Accounts payable	175,772	511,956
Accrued expenses and other current liabilities	512,246	1,628,851
Total current liabilities	688,018	2,690,807
Deferred income taxes	1,955,746	2,223,678
Other liabilities		1,386
Total liabilities	2,643,764	4,915,871
Commitments and Contingencies (Note 7)
Convertible preferred stock, $0.001 par value: Series A - 13,750,000 shares authorized at both June 30, 2018 and December 31, 2017. No shares and 12,376,329 shares issued at June 30, 2018 and December 31, 2017, respectively. No shares and 8,306,278 shares outstanding at June 30, 2018 and December 31, 2017, respectively.	0	0
Stockholders’ Equity:
Common stock, $0.001 par value: 1,000,000,000 shares authorized; 50,572,001 and 14,519,629 shares issued and outstanding at June 30, 2018 and December 31, 2017, respectively.	50,571	14,520
Additional paid-in capital	94,883,532	82,770,313
Accumulated deficit	(67,634,031)	(61,554,889)
Total stockholders' equity	27,300,072	21,229,944
Total liabilities, convertible preferred stock and stockholders' equity	$ 29,943,836	$ 26,145,815