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Consolidated Balance Sheets - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Current assets:    
Cash $ 461,068 $ 477,928
Accounts receivable - net 1,796,757 1,828,534
Inventories 779,989 754,418
Prepaid expenses 680,326 568,386
Deferred tax asset - current portion 0 925,000
Total current assets 3,718,140 4,554,266
Property and equipment:    
Equipment 2,533,848 1,963,957
Leasehold improvements 581,197 88,718
Construction and equipment in progress 558,602 351,533
Total 3,673,647 2,404,208
Less accumulated depreciation and amortization 1,372,821 1,194,888
Net property and equipment 2,300,826 1,209,320
Deferred tax asset (net of current portion) 5,735,504 8,696,870
Goodwill 278,466 278,466
Other assets including long-term portion of notes receivable - net 6,851,697 5,159,937
Total assets 18,884,633 19,898,859
Current liabilities:    
Current portion of long-term notes payable to bank 754,173 655,725
Current portion of loan payable to Super G 0 1,130,765
Accounts payable and accrued expenses 674,600 339,125
Total current liabilities 1,428,773 2,125,615
Long-term obligations:    
Notes payable to bank (net of current portion) 3,257,691 710,729
Development loans (net of current portion) 988,684 0
Loan payable to Super G (net of current portion) 0 718,175
Notes payable to officers 0 310,000
Note payable to Kingsway America 0 600,000
Convertible notes payable 1,131,982 769,835
Derivative warrant liability 503,851 210,404
Derivative conversion liability 925,561 435,671
Total long-term liabilities 6,807,769 3,754,814
Stockholders' equity:    
Common stock – no par value (40,000,000 shares authorized, 20,783,032 outstanding as of December 31, 2016 and 2017) 24,322,885 24,308,297
Accumulated deficit (13,674,794) (10,289,867)
Total stockholders' equity 10,648,091 14,018,430
Total liabilities and stockholders' equity $ 18,884,633 $ 19,898,859