from December 10, 2018 through December 31, 2018 and for the Predecessor Period from January 1, 2018 through December 9, 2018:
| | | Three Months ended March 31, 2020 (unaudited) | | | Three Months ended March 31, 2019 (unaudited) | | | Year ended December 31, 2019 | | | Successor Period from December 10, 2018 through December 31, 2018 | | | Predecessor Period from January 1, 2018 through December 9, 2018 | |
Net cash provided by (used in) operating activities | | | | $ | (2,375,267) | | | | | $ | 1,426,747 | | | | | $ | 2,532,479 | | | | | $ | (80,215) | | | | | $ | 8,100,981 | | |
Net cash used in investing activities | | | | | (4,429) | | | | | | — | | | | | | (71,540) | | | | | | (1,875,660) | | | | | | — | | |
Net cash provided by (used in) financing activities | | | | | 1,375,726 | | | | | | (1,444,061) | | | | | | (3,109,252) | | | | | | 4,750,000 | | | | | | (7,297,763) | | |
Net increase (decrease) in cash | | | | | (1,003,970) | | | | | | (17,314) | | | | | $ | (648,313) | | | | | $ | 2,794,125 | | | | | $ | 803,218 | | |
Cash Flows from Operating Activities
Net cash used in operating activities for the three months ended March 31, 2020 was $2,375,267, which primarily reflected our net loss of $6,083,219, partially offset by adjustments to reconcile net loss to net cash used in operating activities of $1,928,495 consisting primarily of depreciation and amortization, and changes in operating assets and liabilities of $1,779,457.
Net cash provided by operating activities for the three months ended March 31, 2019 was $1,426,747, which primarily reflected our net loss of $6,342,412, more than offset by adjustments to reconcile net loss to net cash provided by operating activities of $5,206,517 consisting primarily of depreciation and amortization, non-cash paid-in-kind interest and amortization of deferred financing costs and debt discount, and changes in operating assets and liabilities of $2,562,642.
Net cash provided by operating activities for the year ended December 31, 2019 was $2,532,479, which primarily reflected our net loss of $32,511,300, net of adjustments to reconcile net loss to net cash used in operating activities of $35,043,779, which included $10,365,132 of accounts payable and accrued expenses, comprised primarily of the minimum purchase obligation with Vivus and accrual due to McKesson for its services as the third-party logistics provider, $6,959,236 of non-cash PIK interest on our Sub Debt, $5,291,107 of depreciation and amortization, $4,669,384 of amortization of deferred financing costs and debt discount, and $2,443,930 of goodwill impairment, partially offset by $2,558,067 of inventory expense.
Net cash used in operating activities for the Successor Period from December 10, 2018 through December 31, 2018 was $80,215, which primarily reflected our net loss of $1,681,269, net of adjustments to reconcile net loss to net cash used in operating activities of $1,601,054, which included $4,642,623 of inventory expense, $645,761 of deposits and $555,990 of non-cash PIK interest on our Sub Debt, partially offset by $4,700,303 of other current liabilities, comprised primarily of the minimum purchase obligation with Vivus.
Net cash provided by operating activities for the Predecessor Period from January 1, 2018 through December 9, 2018 was $8,100,981, which primarily reflected our net loss of $30,791,439, net of adjustments to reconcile net loss to net cash provided by operating activities of $38,892,420, which included $17,947,275 of impairment loss for intangible assets, $11,080,793 of accrued expenses, $7,775,536 of depreciation and amortization, $6,778,033 of non-cash PIK interest on our Sub Debt and $4,147,552 of other current liabilities, comprised primarily of the minimum purchase obligation with Vivus, partially offset by $8,528,622 of deferred revenue, $4,546,044 of inventory and $1,356,349 of accounts payable.
Cash Flows from Investing Activities
Net cash used in investing activities was $4,429 for the three months ended March 31, 2020 related to the acquisition of fixed assets. There were no investing activities for the three months ended March 31, 2019.