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STATEMENTS OF CASH FLOWS - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Cash flows from operating activities:    
Net income (loss) $ 282,011 $ (11,531,526)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Depreciation and amortization 490,250 836,292
Amortization of operating lease right-of-use assets 22,850 0
Loss on impairment of goodwill 0 10,354,172
Share-based compensation 407,974 599,799
Unrealized (gain) loss on stock price guarantee (3,688) 3,527
Loss on disposal of property and equipment 0 1,930
Other income from stock price guarantee (880,553) 0
Deferred income taxes (73,208) (84,075)
Changes in assets and liabilities:    
Accounts receivable (39,574) (53,626)
Prepaid expenses and other current assets (8,589) (72,015)
Accounts payable 164,652 173,561
Accrued expenses (183,229) 208,218
Contract liabilities (142,914) (119,038)
Operating lease obligations (20,449) 0
Net cash provided by operating activities 15,533 317,219
Cash flows from investing activities:    
Proceeds from sale of property and equipment 0 1,182
Purchase of property and equipment (16,106) (31,006)
Net cash used in investing activities (16,106) (29,824)
Cash flows from financing activities:    
Payments on finance leases (8,821) (8,189)
Payments on note payable (15,346) (295,491)
Payments on related party note payable 0 (29,214)
Payments of preferred dividends (163,236) 0
Net cash used in financing activities (187,403) (332,894)
Effect of exchange rate changes on cash and cash equivalents 31,526 (60,860)
Net change in cash and cash equivalents (156,450) (106,359)
Cash and cash equivalents, beginning of year 632,331 738,690
Cash and cash equivalents, ending of year 475,881 632,331
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION    
Income taxes 960 1,260
Interest 1,687 1,673
SUPPLEMENTAL DISCLOSURES OF NON-CASH ITEMS    
Repurchase of preferred and common stock with note payable 0 202,656
Issuance of preferred shares for settlement of accrued expenses 83,221 0
Operating lease liabilities from obtaining operating lease right of use assets $ 55,600 $ 0