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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Cash flows from operating activities:    
Net loss $ (5,508) $ (11,086)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Depreciation expense 9,271 8,822
Bad debt expense 80 0
Gain on disposal of fixed assets (16) (319)
Gain on extinguishment of debt (111) 0
Income from equity investment in joint venture (1,257) 0
Interest expense restructured to debt 0 3,121
Change in operating assets and liabilities, net of acquisitions:    
Accounts receivable (897) (559)
Due to/(from) related parties 131 (1,145)
Inventories (34) (30)
Prepaid expenses and other current assets 523 (1,588)
Accounts payable and accrued liabilities 1,741 2,281
Other 188 78
Net cash provided by (used in) operating activities 4,111 (425)
Cash flows from investing activities:    
Acquisition of fixed assets (2,116) (833)
Proceeds on sales of fixed assets 138 902
Net cash provided by (used in) investing activities (3,243) 69
Cash flows from financing activities:    
Proceeds on long-term borrowings from related parties 5,000 4,603
Payments on long-term borrowings from related parties (3,159) (1,933)
Payments on long-term borrowings 0 (2,412)
Proceeds from short-term notes payable 767 425
Payments on short-term notes payable (668) (569)
Net cash provided by financing activities 1,940 114
Effect of exchange rate changes on cash (76) 0
Net increase (decrease) in cash and cash equivalents 2,732 (242)
Cash and cash equivalents, beginning of period 1,247 1,489
Cash and cash equivalents, end of period 3,979 1,247
Supplemental disclosure of cash flow information:    
Interest paid 1,208 1,387
Income taxes paid 93 0
Non-cash investing and financing activities:    
Restructure of long-term debt 0 49,243
Extinguishment of long-term debt 6,889 0
Noncash or Part Noncash Transaction, Note Receivable Applied to Long-term Debt 0 (500)
Equipment acquired under capital leases   1,467
American Electric    
Cash flows from investing activities:    
Acquisition, net of cash received 611 0
Diversenergy, LLC    
Cash flows from investing activities:    
Acquisition, net of cash received $ (1,876) $ 0