Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($)		Jun. 30, 2018	Dec. 31, 2017
Accounts receivable, allowance for bad debt		$ 135,343	$ 471,144
Property and equipment, accumulated depreciation	[1]	797,778	775,152
Intangible assets, accumulated amortization		2,833,350	2,512,203
Deferred financing cost, current		0	0
Deferred financing cost, credit facility		1,440,601	245,584
Deferred financing cost, noncurrent, related party		197,103	0
Deferred financing cost, noncurrent		$ 519,636	$ 82,868
Common stock, par value (in dollars per share)		$ 0.001	$ 0.001
Common stock, shares authorized (in shares)		100,000,000	100,000,000
Common stock, shares issued (in shares)		65,939,709	65,939,709
Common stock, shares outstanding (in shares)		65,939,709	65,939,709
Series A Preferred Stock [Member]
Preferred stock, par value (in dollars per share)		$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)		54,000	54,000
Preferred stock, shares issued (in shares)		0	0
Preferred stock, shares outstanding (in shares)		0	0
Series B Preferred Stock [Member]
Preferred stock, par value (in dollars per share)		$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)		1,946,000	1,946,000
Preferred stock, shares issued (in shares)		0	0
Preferred stock, shares outstanding (in shares)		0	0

[1] Includes (3,085) in foreign exchange translation