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Consolidated Balance Sheets - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Current assets:    
Cash $ 1,096,248 $ 2,447,985
Accounts receivable, net of $41,000 and $50,000 respectively allowance for doubtful accounts 4,211,906 2,217,877
Inventory 1,707,690 1,563,593
Prepaid expenses and other current assets 459,868 285,580
Total current assets 7,475,712 6,515,035
Property, plant and equipment, net 5,060,698 5,014,494
Investment 2,154,175 324,930
Notes receivable 793,195
Other assets 49,875 90,319
Right-of-use assets 1,222,742
Goodwill 2,453,597 2,453,597
Other intangible assets, net 934,765 881,411
Total assets 20,144,759 15,279,786
Current liabilities:    
Accounts payable 1,492,494 1,347,491
Accrued expenses and deferred revenue 935,041 1,106,346
Other current liabilities 390,494 2,255,942
Revolving line of credit 500,000
Current portion of lease liability 397,097
Current portion of long-term debt, net 440,699 713,427
Total current liabilities 4,155,825 5,423,206
Long-term debt, net 2,309,847 1,721,936
Long term lease liability 825,645
Other long-term liabilities 507,058 391,325
Deferred tax liability, net 43,567 168,986
Commitments and contingencies (Note 13)
Stockholders' equity    
Common stock, $.02 par value; 200,000,000 shares authorized, 36,180,626 shares issued and outstanding (17,425,858 on December 31, 2018) 723,612 348,517
Additional paid-in capital 114,860,150 107,624,666
Accumulated other comprehensive loss (7,052)
Accumulated deficit (103,280,945) (100,391,798)
Total stockholders' equity 12,302,817 7,574,333
Total liabilities and stockholders' equity $ 20,144,759 $ 15,279,786