CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017
Current assets
Cash and cash equivalents	$ 4,331	$ 8,250	$ 4,038
Accounts receivable, net	24,513	22,246	22,723
Inventories	33,921	31,733	28,490
Prepaid expenses and other current assets	6,170	4,832	3,708
Total current assets	68,935	67,061	58,959
Property and equipment, net	8,120	8,417	10,170
Goodwill	8,536	8,380	8,284
Intangible assets, net	89,162	89,332	91,199
Other assets	1,914	484	467
Total assets	176,667	173,674	169,079
Current liabilities
Accounts payable and accrued expenses	24,939	22,204	20,810
Short-term convertible note		13,694	13,308
Current portion of long-term debt	2,813	2,813	1,875
Total current liabilities	27,752	38,711	35,993
Line of credit	22,915	21,254	16,287
Convertible notes	14,189	13,866	12,947
Long-term debt, net of current portion	44,035	44,896	46,538
Deferred income taxes, net	7,308	6,650	11,054
Other liabilities	3,924	3,554	3,619
Total liabilities	120,123	128,931	126,438
Commitments and contingencies (Note 14)
Equity
Common stock, $0.10 par value: 100,000,000 shares authorized, 13,599,285, 13,488,366 and 13,297,688 shares issued and outstanding at March 31, 2018, December 31, 2017 and March 31, 2017, respectively	1,360	1,349	1,330
Additional paid-in capital	75,192	61,314	59,531
Accumulated other comprehensive income (loss)	1,034	271	(137)
Accumulated deficit	(21,506)	(18,196)	(18,088)
Total equity	56,544	44,743	42,641
Total liabilities and equity	176,667	173,674	169,079
Series A
Equity
Convertible preferred stock	5	$ 5	$ 5
Series A-1
Equity
Convertible preferred stock	$ 459

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.